C, a little depressed. Brooding is close to showing deep unhappiness of thought.
California, Texas and Illinois
Most immigrants from Mexico settled in California (37 percent), Texas
(21 percent), and Illinois (6 percent). the distribution has however shifted to other areas such as Los Angeles, Chicago, Houston, and Dallas metropolitan areas.
The people and there desperation for Germany to be financially well and not in ruins like it is. People in Germany didn't feel proud to be German anymore. Then a guy walks in saying he can fix all there problems and they just need to trust him and they did.
The North was able to replenish its military in the face of staggering loses on the battlefield by using the steady stream of new immigrants. The Irish would get recruited as soon as they got off the ship in New York.