If we are talking about the revolutionary war it would be France. Although they gave us troops, they weren’t the first to recognize US as a nation. Morocco did.
If your talking about the time period i believe you are the answer should be Andrew Jackson.
Answer:
I can answer your question for A.
Explanation:
South America and North America began to exchange goods and both of their economies prospered, and the Monroe doctrine dictated that European powers were forbidden from interfering or colonizing South America
A = pi * r^2 A = 3.14 * 50^2 A = 7,850 square miles (area of the 50 mile broadcast signal)
A = pi * r^2A = 3.14 * 75^2A = 17,662.5 = 17,663 square miles (area of the 75 mile relayed signal)
Now we just need to subtract the 50 mile signal from the 75 mile signal, so:
17,663 - 7,850 = 9,813 square miles greater
Hope this helps :)
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