You're answer is going to be C. "The Red Scare".
Hope this helps! :)
Many of the people who have come to Mexico City have ended up living in "surrounding" areas, since life in the city itself is very fast paced and dense, meaning that many people wish to enjoy the benefits of the city without being there directly.
Answer:
I would say that Napoleon sold the Louisiana territory to the U.S. in 1803, because he thought it too difficult to defend. He also needed the money.
(sooo B)