Question

How long did the Great Depression last?
until World War I
until 1930
until World War II
until 1950

Answer 1

The Great Depression lasted for a decade (10 years), from 1929 to 1939, which means you can eliminate (B) until 1930, and (D) until 1950. World War I began in 1914 and ended in 1918. World War II began in 1939 and ended in 1945. So, yes, (C) until World War II.

Answer 2

ok thx