<span>as a severe worldwide economic depression that took place during the 1930s. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until the late 1930s.</span>
Answer:
Correct answer is constructing the Panama Canal
.
Explanation:
First and last options are not correct as Roosevelt became president in 1901, while the revolution in Cuba and defeat of Spain ended by 1898.
Second is correct as during his presidency the construction of Canal started in 1904.
Third option is not correct as it hasn't spread that much during his presidency.
The Soviet Union set off an atomic bomb
