What happened in the world between 1900 and 1950?
A. a depression and U.S. civil war
B. two world wars
C. collapse of the Soviet Union
D. start of the Cold War
It was primarily "two world wars" that happened in the world between 1900 and 1950, since the First World War took place from 1914-1918, and the Second World War took place from 1939-1945.
