The USSR and other Warsaw pact nations invaded
Answer:
C!
Explanation:
Overproduction can cause downfalls, due to the fact that there's too much production, and during the Great Depression most people did not have jobs, and struggled with economy.
Answer:
Every major advance in agriculture has allowed global population to increase. Early farmers could settle down to a steady food supply. Irrigation, the ability to clear large swaths of land for farming efficiently, and the development of farm machines powered by fossil fuels allowed people to grow more food and transport it to where it was needed.
The process of forming the American government was long and arduous, and in some ways is still going. The main concern was over how much power to give the federal government over the individual states.
