It would be A, if you want an easy way to make sure your answers are right use process of elimination.
Your answer here would be the emancipation proclamation Announced by Abraham lincoln
President Abraham Lincoln<span> issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. The proclamation declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free." </span>
The main reason why the United States was so interested in the security of Latin America is because the Latin American countries were so close to the US, meaning that if they were invaded by European powers it would post a threat to the US.
Answer:
Boston Tea Party
Explanation:
Boston Tea Party, (December 16, 1773), incident in which 342 chests of tea belonging to the British East India Company were thrown from ships into Boston Harbor by American patriots disguised as Mohawk Indians. The merchants of Boston circumvented the act by continuing to receive tea smuggled in by Dutch traders.