Russia's invasion of Ukraine and the resulting crisis, as well as the various sanctions and export controls imposed related to Russia and Belarus by the US and other countries worldwide in response, are having significant effects on companies and their commercial transactions. This Article discusses the contractual and commercial issues resulting from this crisis, including the applicability of force majeure clauses and other legal excuses for performance, such as impossibility, impracticability, frustration of purpose, and Article 79 of the UN Convention on Contracts for the International Sale of Goods. It also discusses insurance coverage for losses related to the war in Ukraine.