Answer:
C. An increase in the number of camps and military bases increase the threat of military action against the area.
Explanation:
The building of new military bases was a step in the process of armament after the world war 1.
The more new military bases were built, the more tensions among states rose.
This tensions would lead to a higher probability of attack from other nations or blocks.
Answer:
The banks' customers could not repay their loans.
People sold off bank stocks, making them worthless.
People stopped taking out loans because they were bankrupt.
The Federal Reserve Board reduced how much money it gave banks to loan.