. The primary causes for the Exploration were: (Check all that apply) *

to find a faster, water route to Asia
to find a race of people who could be easily enslaved
to build European empires
to spread Christianity
to avoid Muslim-controlled trade routes

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.