The Treasury Department on Monday moved to further cut off Russia from the global economy, announcing that it would immobilize Russian Central Bank assets that are held in the United States and impose sanctions on the Russian Direct Investment Fund, a sovereign wealth fund that is run by a close ally of President Vladimir V. Putin.
The moves are meant to curb Russia’s ability to use its war chest of international reserves to blunt the impact of sanctions that the United States and European allies have enacted in response to Russia’s invasion of Ukraine.
“The unprecedented action we are taking today will significantly limit Russia’s ability to use assets to finance its destabilizing activities, and target the funds Putin and his inner circle depend on to enable his invasion of Ukraine,” Treasury Secretary Janet L. Yellen said in a statement.
Russia has spent the last several years bolstering its defenses against sanctions,…