The opportunity cost of an item is what you give up to get that item.
Us has a lot of presidents and their amazing
Is that a question?
I am not sure how to answer that
The Cold War had many affects on education in the United States. One example is how schools would have air raid drills in case the Soviet Union launched a nuclear bomb, not that hiding under a desk would save you anyway. Another way is all the anti-Russian propaganda produced and distributed to young students.
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