International Sanctions – Coercive Policy Tools and the Limits of Enforcement

International Sanctions

By Lara Kajs
Dispatches from the Field — The Genocide Report
Washington, DC — 22 May 2022

International sanctions are a central instrument of global governance, designed to influence state behavior without resorting to force, yet their effectiveness remains uneven and highly dependent on political alignment and enforcement.

International sanctions are measures imposed against states, entities, or individuals whose actions violate international law or threaten international peace and security. Designed as coercive but non-military tools, sanctions aim to deter unlawful conduct, compel compliance, and signal collective disapproval. While they are widely used across foreign policy and multilateral frameworks, their outcomes vary significantly depending on context, implementation, and enforcement.

Sanctions as Instruments of Compliance

Sanctions are frequently deployed to enforce adherence to international law and to contain threats within defined geopolitical boundaries. The United Nations Security Council has utilized sanctions regimes in response to acts of aggression, proliferation risks, and violations of sovereignty.

Following Iraq’s invasion of Kuwait in 1990, Security Council Resolution 661 imposed comprehensive economic sanctions, supplemented by subsequent measures enforcing naval and air blockades. These actions were intended to compel compliance with international law and restore regional stability. Similarly, Resolution 1929 (2010) imposed restrictions on Iran’s weapons and missile programs in an effort to curb proliferation risks. In Yemen, Resolution 2014 (2011) called for an end to violence and a political transition, demonstrating the use of sanctions within conflict mediation frameworks.

Sanctions typically include asset freezes, travel bans, and arms embargoes, administered through Security Council committees and monitoring bodies. Enforcement mechanisms often rely on cooperation with member states and, in some cases, coordination with international policing organizations.

Political Constraints and Selective Enforcement

The implementation of sanctions is shaped by the political dynamics of the Security Council. Divergent national interests among permanent members can limit the scope and consistency of sanctions regimes.

This dynamic has been particularly evident in the Syrian conflict, where repeated vetoes by Russia and China have prevented the adoption of more robust measures against the Assad government. Such divisions underscore the extent to which sanctions are not purely legal instruments but are also contingent on geopolitical alignment.

As a result, sanctions regimes may reflect selective enforcement rather than uniform application, affecting both their credibility and effectiveness.

Sanctions and International Peace and Security

Sanctions are often employed in response to armed conflict, human rights violations, and threats to international stability. In situations such as the Saudi-led coalition’s operations in Yemen or Russia’s invasion of Ukraine, sanctions have been used to impose economic and diplomatic costs while avoiding direct military confrontation.

These measures may include restrictions on trade, financial transactions, diplomatic engagement, and participation in international institutions. While sanctions can exert significant economic pressure, their ability to alter state behavior depends on the target’s resilience, alternative alliances, and domestic political considerations.

Sanctions may be lifted when conditions set by the international community are met or when political considerations shift. In some cases, however, sanctions persist for extended periods, as demonstrated by the longstanding U.S. embargo on Cuba.

Effectiveness and Limitations

The effectiveness of sanctions is inherently context-dependent. While they can achieve economic disruption, they do not always produce the intended political outcomes.

Sanctions imposed on Afghanistan in 2000 and 2001, for example, aimed to compel the Taliban to surrender Osama bin Laden. Despite a significant economic impact, the Taliban did not comply, illustrating the limits of coercive economic measures when core political objectives are non-negotiable.

More recent measures, including Security Council Resolutions 2611 and 2615, reflect attempts to balance sanctions enforcement with humanitarian considerations. These frameworks allow for the continuation of aid while maintaining restrictions on sanctioned entities.

Sanctions regimes are binding on member states, yet enforcement remains decentralized. The United Nations lacks independent enforcement capacity and relies on national governments to implement and monitor compliance. Variations in enforcement weaken overall effectiveness and create opportunities for evasion.

Sanctions signal international condemnation—but their success depends on enforcement, coordination, and political will.”

Balancing Pressure and Incentives

Sanctions are often more effective when combined with incentives for compliance. The integration of punitive measures with diplomatic engagement and economic support can create pathways for behavioral change.

The case of Myanmar illustrates both the potential and limitations of this approach. The easing of sanctions in response to political reforms in the early 2010s demonstrated the use of incentives to encourage compliance. However, the subsequent reimposition of sanctions following renewed human rights abuses highlights the fragility of such progress.

The design of sanctions regimes must therefore account for both immediate objectives and long-term sustainability, ensuring that incentives and penalties are aligned with measurable outcomes.

Civilian Impact and Policy Tradeoffs

Sanctions are frequently criticized for their unintended consequences on civilian populations. Economic restrictions can exacerbate poverty, limit access to essential goods, and strain public services, particularly in already fragile states.

While sanctions are often viewed as an alternative to military intervention, their humanitarian impact raises important ethical and policy considerations. The challenge lies in designing targeted measures that minimize harm to civilians while maintaining pressure on decision-makers.

In this context, sanctions serve not only as instruments of coercion but also as expressions of international norms. Their credibility depends on consistent application and careful calibration to avoid disproportionate harm.

Atrocity Prevention Lens

Sanctions play a critical role in atrocity prevention by signaling international condemnation and imposing costs on actors engaged in or at risk of committing mass atrocities. Targeted sanctions, including asset freezes and travel bans, can disrupt networks responsible for organizing violence and limit resources available for harmful actions. However, broad-based sanctions that contribute to economic instability may increase civilian vulnerability and exacerbate conditions associated with atrocity risk, including food insecurity and displacement. Effective sanctions design requires careful calibration to ensure that pressure is directed at responsible actors while minimizing harm to populations already at risk.

Legal Framework

United Nations Charter
Under Chapter VII of the UN Charter, the Security Council has the authority to impose sanctions as measures to maintain or restore international peace and security.

Sanctions Regimes
Sanctions adopted by the Security Council are legally binding on all member states. These measures must be implemented through domestic legal systems, creating variation in enforcement.

International Human Rights Law
Sanctions must be applied in a manner consistent with international human rights obligations. States and international bodies are expected to consider the humanitarian impact of sanctions and mitigate unintended harm to civilian populations.

Customary International Law
The use of sanctions as a tool of international governance has evolved into a widely accepted practice, though its application remains subject to principles of proportionality and necessity.

Suggested Citation
Kajs, Lara. “International Sanctions.” Dispatches from the Field. The Genocide Report, Washington, DC, 22 May 2022.

Photo Credit
The Security Council – Chaired by United States President Barack Obama, the Security Council Summit on nuclear non-proliferation and disarmament unanimously adopted Resolution 1887 (2009), expressing the Council’s resolve to create the conditions for a world without nuclear weapons. Shown here is a wide view of the vote. UN Photo/Mark Garten. 24 September 2009. Photo #411847.

About TGR
The Genocide Report (TGR) publishes analysis and educational resources on conflict, international law, and atrocity prevention. Its work seeks to bridge academic research, field realities, and public understanding of mass violence and civilian protection.

About the Author
Lara Kajs is the founder and executive director of The Genocide Report, a Washington, DC-based educational nonprofit focused on atrocity prevention and international law. She is the author of several field-based books on conflict, displacement, humanitarian crises, and international humanitarian law, drawing on extensive research and field experience in Yemen, Syria, and Afghanistan. Her writing and public speaking focus on atrocity crimes, forced displacement, the protection of civilians, and the legal frameworks governing armed conflict.