Answer:
The Chineese. Many laws passed from 1880-1890 excluded the chineese and banned them from immigrating to certain parts of the states.
Both of their works are often about a lot of things, but I'd say they were written to, say, "boost morale" of the american people.
The correct answer is Great Zimbabwe
These buildings were sometimes even over 5 meters long and were made out of bricks that were stacked on top of each other. The constructions are huge and there are many anthropologists who claim that these constructions are second in their greatness only to the great pyramids in Egypt because of how massive and unique they are.