The Dustbowl was the nickname due to dust storms that damaged the agriculture in the U.S and also the severe drought
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However, feudalism decline mainly begun when feudal lords were allowed to pay armies rather than fight themselves in the battles. More also, the black death made labor scarce and worthy commodity, at the same time when the peasants migrated to urban areas. Emergence of new towns, and trade opportunities also entrenched the kings powers and made the government centralized. other factors included the crusades and the age of exploration.
First, they wanted to stay out, then they started to help England and France, and finally when Japan attacked they totally got involved.
The American economy had yet to fully recover from Great Depression when the United States was drawn into world war ll in December 1941 because of this agonizingly slow recovery the entire decade of the 1930s in the United States is often referred to as the Great Depression
