The USSR extended its sphere of influence into Yugoslavia and Albania by supporting the communist parties in those countries. Yugoslavia separated from the USSR later on after a fight between those who supported the USSR way of Communism, that is Stalin, and those who supported the socialistic way, that is Tito.
I think it was free blacks, but I am not 100% sure
The black death in europe killed off 1/3 of the population, it impacted religion in a way because many people believed it was gods punishment for sin. in 1347, 200 million were dead in the span of just four years
The Treaty of Paris, ending the Spanish-American War, was signed on December 10. Spain gave up Guam, Puerto Rico, its possessions in the West Indies, and the Philippines in exchange for a U.S. payment of $20 million. The United States occupied Cuba but, as provided for in the Teller Amendment, did not try to annex it.