The Trump administration is carrying out the most intense pressure campaign on Cuba in decades. The Cuban government says its plan is simply to endure.
The Treasury Department accused Rwanda of undermining a U.S.-brokered peace agreement by supporting a rebel group in the eastern Democratic Republic of Congo.
Soldiers from the M23 rebel group in Goma, the Democratic Republic of Congo, in January. The United States has accused Rwanda of continuing to support the group.
A Russian official said potential relief for a state investment fund was part of talks. Russia has sought to wring economic benefits from the negotiations on ending the war with Ukraine.
Mr. Putin’s foreign policy adviser, Yuri Ushakov, said that “such a conversation” had been “going on for some time, though I do not know what the outcome will be.”