The Stock Market crash of 1929 made employment, in essence, nonexistent.
Companies went out of business, credit dried up, and nobody could afford to pay wages.
Elections
Explanation: the soviets has their hands in nearly every Eastern European election so that the leaders would be communists that would bring their countries into communism along with the Soviet Union
yes, he is right the answer is,
Galileo's most important scientific contributions were in the field of physics. ... Using the telescope, Galileo discovered the mountains on the moon, the spots on the sun, and four moons of Jupiter. His discoveries provided the evidence to support the theory that the earth and other planets revolved around the sun.
It was B. Eric the Red who was the Viking explorer who sailed west from Iceland and set up a colony on a large land mass that he called Greenland.