From the Document: "The United States imposes sanctions on Russian persons (individuals, entities, and vessels) in response to Russia's invasion of Ukraine, election interference, other malicious cyber-enabled activities, human rights abuses, use of a chemical weapon, weapons proliferation, illicit trade with North Korea, and support to Syria and Venezuela. Sanctions against Russian persons may include blocking of assets subject to U.S. jurisdiction; limits on access to the U.S. financial system, including limiting or prohibiting transactions involving U.S. individuals and businesses; and denial of entry into the United States. The United States also tightly controls exports to Russia's energy and defense sectors."
CRS In Focus, IF10779
Congressional Research Service: https://crsreports.congress.gov/