B, each other is a form of authoritarian government.
To keep the United States from breaking into multiple wars and battles just to gain authority over something. It made the US basically promise to be kind,independent,reliable,professional and sincere.
The correct answer is: He thought an atomic bomb would kill far fewer people than a military invasion of Japan.
The common thinking and rationale for the dropping of the Atomic Bomb is that the options were the dropping of the bomb and a full scale invasion of Japan via mainland China which would have resulted in even more death.
The relationship between the United States and Latin America was limited in the late 1800's, although there was some contact because of wars where the U.S stepped in, like the short Spanish–American War of 1898.
In the early 1700's South Carolina raised the import duties on slaves coming from the West Indies, which most likely resulted in C; More slaves being imported directly from Africa. This is so because it was relatively cheaper to import directly from Africa opposed to the West Indies.