Cities, government, religion, social structure, writing or art
A. Unrestricted Submarine Warfare.
This caused Germans to attack vessels that carried US citizens, bringing the US into the war.
1. Motion of the planets
2. An ellipse
In the court case "brown vs board of education", thurgood marshall and other colored people from the NAACP fought to desegregate schools. the winning of this case helped to end segregation and gave colored people the confidence to bring other cases to court.
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