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Leonardo's ability to observe and study, then demonstrate those things in his art, he was pretty much the definition of a Renaissance man. Defined: Renaissance man: a person with many talents or areas of knowledge.
Your answer is andrew jackson
The Battle of Marathon (Ancient Greek: Μάχη τοῦ Μαραθῶνος, romanized: Machē tou Marathōnos) took place in 490 BC during the first Persian invasion of Greece. It was fought between the citizens of Athens, aided by Plataea, and a Persian force commanded by Datis and Artaphernes.
The Vietnam War was part of the Cold War for it was supposed to try to stop the flow of communism to the rest of the world it was also known as the domino affect.
It allows for foriegn countries to send refugees if the refugees helped america out.