Answer: A.Send American Troops to fight in Viatnam
Explanation:
The perfect answer to this question would be "The United States president made the Truman Doctrine which encourage any countries under threat of Communism to be on his side"
The closes answer to that is A Hope it's Right
Because it was when America was separating from the British to make america its own country.
Hernán Cortés killed Montezuma and defeated the Aztecs
The Carbonari (charcoal burners) were groups of secret revolutionary societies founded in early 19th-century Italy. The Italian Carbonari may have further influenced other revolutionary groups in Spain, France, Portugal and possibly Russia
Answer:A, B, And C good luck!!!!!
Explanation: