They got to know with the photographs from the U - 2 spy plane.
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The Industrial Revolution began in the 18th century, when agricultural societies became more industrialized and urban. The transcontinental railroad, the cotton gin, electricity and other inventions permanently changed society.
Answer:
they didnt want to get involved because they didnt want to be in the war and have debt ect
Explanation:
The United States joining the League of Nations which was an implemented idea of Wilson's into the Treaty of Versailles. The United States would never be apart of the League of Nations to stay out of foreign conflicts like World War 2.
It was the dominican republic