Which development would best serve as a turning point between two
historical periods?
O
A. A charitable organization raises money to help a country recover
from a natural disaster.
O
B. A state government passes a law requiring all drivers to renew
their licenses every two years.
O
C. A historian publishes an article criticizing European colonialism in
Africa and Asia.
O
D. A revolution overthrows a dictatorship and establishes the first
democratic government in a region.