[A]n iron curtain has descended across the Continent ... [F]amous cities and the populations around them lie in what I must call the Soviet sphere, and all are subject in one form or another, not only to Soviet influence but to a very high and, in some cases, increasing measure of control from Moscow.

This speech is from Winston Churchill about the iron curtain. The iron curtain was the way how Churchill described the ideological division of Europe in Communism and Capitalism, after World War II, and the dangerous influence Stalin represents in that location.

Explanation:

This expression was used for the first time in 1946 and then turn into a traditional description of the situation. With this expression, the former British minister Winston Churchill warned that Stalin's government would continue to influence the territories he had liberated during World War II and would isolate them from Western Europe. At first, the speech was not well received because Stalin had been America's great ally in overcoming the Nazis. But Churchill knew the Russians well and knew that Stalin would do his best to extend communism beyond its borders.

answer; i believe its a

because it took place after the war of 1812 had come to an end.