How did movements like the Protestant Reformation contribute to the rise of nation-states? O A. It ended the practice of serfdom.
O B. It gave the right of self-government.
OC. It united all Christians under one leader.
OD. It challenged the absolute power of the pope.

Where did the term “iron curtain” originate? the warsaw pact used the term iron curtain as a code word for communism. in a 1946 speech, british prime minister winston churchill said an iron curtain had fallen across the continent of europe. while visiting western europe in 1946, u.s. president harry truman commented that the mountains there looked like iron curtains. russian general secretary joseph stalin instructed citizens of eastern europe to hang iron curtains over their windows to protect themselves from stray bullets.