D) To fight the spread of communism.
Because of the Domino Theory they thought that if Vietnam fell into Communism, the whole region would follow. So therefore they wanted to support South Vietnam in order to contain Communism in Asia.
Slaves were forbidden to leave the owner's property unless they were accompanied by a white person or had permission so in other words to keep them in check.
<span>Most did not strike it rich, but they remained in California and bettered the state's infrastructure. This was because they were a ready labor force, and the amount of gold in the gold fields had been wildly exaggerated. There just was not enough gold for all of the forty niners to strike it rich.</span>
