2A. Due to the Mexican-American War, the United States gained Texas.
In feudalism, there were no opportunities for economic advancement for laborers and serfs. Then the elite exploited them, so it did last long pretty long, there are other reasons, but that's one of the main reasons.
D some Jews fought against the Nazis rather than be sent to concentration camps.
Answer:
C
Explanation: We joined the war after Pearl Harbor.
