Hello,
Here is your answer:
The proper answer to this question is option B "<span> Separation of Powers". Separation of powers is the three branch's of government which makes sure each branch doesn't get more powerful than the other.
Your answer is B.
If you need anymore help feel free to ask me!
Hope this helps!
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The Columbian Exchange was when the old world (Europe) trade with the new world (America) items. for example: Old World had horses. So if Europe never came to America... we wouldn't have them. Or new world had tomatoes. If Europe didn't have tomatoes... We wouldn't have pizza or delicious Italian goods.
The Marshall Plan can be seen as a Cold War tactic because the United States federal government tried to prevent the spread of communism through this law. During the Cold War, the US government adopted a policy of containment. This idea focused around preventing the spread of communism to countries all over the world.