The United States, the European Union, Britain and Canada are demanding the immediate release of nearly 1,400 political prisoners in Belarus, and threatening new moves to reverse the “suppression of democracy” there. In a joint statement Friday, the Western allies marked the fourth anniversary of what they called the country’s “fraudulent” 2020 election by saying they “stand in solidarity with the people of Belarus.” The widely disputed vote, which gave President Alexander Lukashenko a sixth term, sparked the country’s largest protests and government crackdown since Belarus declared its indepe…