The answer is b I’m pretty sure
<span>After the war, both nations wanted to establish dominance over Europe. Soviets saw Marshal Plan as an attempt by Americans to create future markets in Europe. The eastwards expansion of the communist bloc was seen by Americas as a threat to the democratic world. </span><span>
They were both trying to spread their respective systems before the world war 2.
Hope this helps!
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Thirteen Colonies” is shorthand for the English-speaking colonies arrayed along the east coast of North America, which rebelled against Britain in 1775-83.