Answer:
Stock market crash of 1929, also called the Great Crash, a sharp decline in U.S. stock market values in 1929 that contributed to the Great Depression of the 1930s. The Great Depression lasted approximately 10 years and affected both industrialized and nonindustrialized countries in many parts of the world.
Because we discovered fire and created new ways to survive and it was a huge advancement in technology
One short-term effect was to shock the Allied home-populations with the surprise of a German offensive and the realization that the war was not going to be over as quickly as they had thought.
<span>Both dynasties used exams to select officials.
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