A Warning From History: Sanctioning Russia Will Not Save Ukraine – The Organization for World Peace

The United States, the European Union, Britain, Canada, Australia, Switzerland, and Japan have imposed wide-ranging and crippling economic sanctions, travel bans, and other restrictions in response…

2014 pro-Russian unrest in Ukraine - Wikipedia

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A timeline of Ukraine's history : NPR

NATO Officially Declares Russia A 'Significant And Direct Threat

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9 big questions about Russia's war in Ukraine, answered - Vox

As Russia prepared to invade Ukraine, U.S. struggled to convince

An 'Unhinged' Putin Threatens Dangerous Escalation in Ukraine War

After the Xi-Putin talks, here are some takeaways : NPR

Think Tank reports on the invasion of Ukraine - Consilium

War, peace, and the international system after Ukraine