The 1960 presidential campaign of John F. Kennedy, then United States Senator from MASSACHUSETTS.
Answer:
Overproduction was one of the main causes because people were producing so many resources that the demand for them went down. Because there was no longer high demand, prices went down which ultimately weakened the economy of the United States.
Explanation:
They may be Europeans or Africans
Hope this help
It started in July 28, 1914. It ended November 11 1918