It is called Grant of certiorari
On April 6 , 1917 , the Us joined its Allies to fight in World War I.
It should be 1929 - 1932 because that's when it dropped the most. All of the other choices have sections where it rises back up.
Answer: The United States and 11 other Western nations founded the North Atlantic Treaty Organization in 1949 in response to the threat of potential Communist expansion. (\sNATO). The Warsaw Pact, a rival organization, was founded in 1955 by the Soviet Union and its communist allies in Eastern Europe.
Explanation:
Colonists moved onto American Indian lands and expected the American Indians to obey colonial law.
