Why was 1917 such a critical year in the war?

The main reason why 1917 was a critical year in World War I is that Germany made decisions which led to the entrance of the United States into the war on the side of the Allies. ... Germany believed it could win the war before the United States could become a factor.

Explanation:

The main reason why 1917 was a critical year in World War I is that Germany made decisions which led to the entrance of the United States into the war on the side of the Allies. ... Germany believed it could win the war before the United States could become a factor.

- tobacco.

- "rolfe reacted to consumer demand by importing seed from the west indies and cultivating the plant in the jamestown colony. those tobacco seeds became the seeds of a huge economic empire.the tobacco economy rapidly began to shape the society and development of the colony. growing tobacco takes its toil on the soil."

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the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.