The release of the prisoners, including a Nobel laureate and two opposition leaders, was part of a monthslong rapprochement between Washington and Minsk.
Sviatlana Tsikhanouskaya, a Belarusian opposition leader, welcoming Ales Bialiatski, a political activist released by Belarus, as he arrived Saturday at the U.S. Embassy in Vilnius, Lithuania.
President Trump has made it easier for countries that are close to Russia and China to build ties with the United States. Those countries are embracing the opportunity.