Answer:
African Americans
Explanation:
In the middle of the century, northern manufacturing extended the use of power-driven machines to a wider range of commodities. Agricultural mechanization throughout the 20th century led to dramatic shifts in farming. Tractors, combines, harvesters, and other farming equipment are helping farmers grow more.
Orogressive movement of Africans Americans northward starting at the beginning of the twentieth century was a result of economic boom in the this areas, they had to migrate and find jobs that can feed them and their families.
War Reparations is the best i can think of from WW2
Contributed their political ideals, theater, philosophy, art and architecture to the world. <span>Suggested everything was made of atoms
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Africa has the most wonders
Brazil.
Explanation - The Treaty of Tordesillas in 1494 gave the territory of eastern South America to Portugal.
