<span>The war was dragging on with both sides becoming worn down, it looked as if it might have been a stalemate until the US stepped in and began fighting, which tipped the scales in the favor of the allies. The US mobilized quickly and often produce materials that were used and needed to win the war. Factories were able to easily convert to produce military goods and they met nearly all their production goals.</span>
Answer:
While most Americans enjoyed relative prosperity for most of the 1920s, the Great Depression for the American farmer really began after World War I. Much of the Roaring '20s was a continual cycle of debt for the American farmer, stemming from falling farm prices and the need to purchase expensive machinery.
Culture, and economic power. The north was industrial, and the south was agricultural. As for culture, the north was more British, and the South was more French and Spanish.