I'm pretty sure the answer is D. poor working conditions, because people back then were very serious when it came to working, since they needed the money badly. All of the other answer choices are factors that led to the Great Depression.
Involving us in world war 2
I think it the Boston tea party. But if iam wrong Iam so sorry look it up on google that may help
1. A an elector who cheated to become an elector
2. A house of representative
3. i'm not sure about but if anything its B Colorado or D Kentucky i would pick B Colorado