What is one explanation for the great change in the world population between 1950 and 2000? a. Family planning was successful. b. There was an absence of war and conflict. c. New medicines and technology were discovered and applied. d. Famine and other natural disasters increased. 3. What is one problem that has resulted from the change in world population after 1950 depicted in the graph? a. Increased deforestation from the creation of farmland b. More world wars c. Slowed economic growth in developing countries d. Increase in communist systems of government
