The main factor that led to the stock market crash of 1929 was the inflated and baseless valuation of companies in the stock market, based on unwarranted optimism.
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Single stories negatively relate to U.S. history because it caused a lot of hate to be given toward a specific person or group of people just because someone made up a fake story. Single stories have always been a problem not just now but all throughout history.
Answer: It gave aid to France ,Britain, Russia, and China
Explanation: We gave Shermans, M3a3 Lees, M3/M-5 Stuarts, and other tanks to them. Also planes and other need items. We also sent a squadron, the Flying Tigers to China to aid against japan.
Part A: Working hours changed from around 14 hours a day before the 1880's to being reduced slowly down to 12, then 10, eventually moving to an 8 hour day. This change allowed for workers to to have more time to sleep and for leisure. Another change was the end of child labor. Similar to the decrease in hours, the minimum age increased over time as well moving from 10 to 16.
Part B: One strategy used by unions to achieve these goals were strikes. Workers would leave the job and picket outside of a job which shut down operations. This tactic did not work at first because there were plenty of workers to fill the jobs. However, when immigration slowed the tactic had more impact with no people to fill the jobs. Some strikes were so large they brought the attention of police forces and the government.