What is one major problem that has resulted from population growth in the
20th and 21st centuries?
A. Diseases can spread more easily because of urban overcrowding.
B. Urban populations have fallen as people move to rural areas.
C. Forced migrations have become more common than ever before
D. Many countries remain technologically underdeveloped.

Question 6 of 27 1 point which of the following best describes the three-fifths compromise at the constitutional convention? o a. no more than three-fifths of a state's population could include slaves. o b. three-fifths of a state's slaves had to be released within 20 years. oc. slaves would be counted as three-fifths of a person when determining representation in congress. od. three-fifths of a state's population had to vote for slavery if a territory was to enter the union as a slave state. g