You need to create a thesis, just like you would in any other essay.
Answer:
A. They fought in segregated units in the armed forces.
The correct answer here is A.
John Jacob Astor was born in 1763 to father who was a butcher so he was not very wealthy. He amassed his fortune by trading fur through that business he became one of the most wealthy people in the United States. Astor traded sandalwood, teas and of course fur with China which turned out very profitable for him.
This newspaper claims that there is a $50,000 reward for something. This is a very convincing appeal, and people would likely buy the newspaper in order to discover how they can earn the reward. However, this is simply a trick to attract readers, as the reward is metaphorical. It is a device used to comment on how the Maine (a ship) was thought to have been destroyed by the Spanish.