Answer:
a
Explanation:
the answer is a
"The Great Compromise was an agreement made between large states and small states regarding how much power states would have under the United States Constitution."
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They had improved ship designs, navigation accuracy and cannons as well as joint stock companies
The Iron Curtain was a problem because it blockaded access to East Berlin and prevented the free flow of Germans across the borders between East and West Germany. More broadly it prevented the movement of ideas and peoples across this artificially created boundary. And more importantly than that it signified the dividing line of the Cold War between Western Europe and the United States and the Soviet Union which had a major impact on fomenting mistrust and conflict.
