After world war 1 the United States wanted to isolate themselves from things like that because of how bad the war was. They went as far as to not join the league of nations that their President made himself with other presidents. After the Korean War, they decided to not isolate themselves and meddle as much as possible to prevent the spread of communism because it would strengthen the Soviet Union who was the main enemy.
Language helped the Islamic empire to unite under the Abbasid Dynasty, which was the Arabic Language. It was easier to communicate and understand each other by speaking one language and having one religion (belief.) The correct answer is (c.) Arabic Language.
Answer:
The population is most dense around Saint Petersburg and Moscow
The Cuban Missile Crisis has become one of the critical points in the history of the Cold War. With Soviet nuclear warheads already positioned to strike the America, the world feared that it could be the brink of a third world war. Both superpowers thought house close could be thus, communications between Washington and Moscow were increased.