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Y_Kistochka [10]
3 years ago
6

What scientific breakthroughs did African Americans make

History
1 answer:
zalisa [80]3 years ago
8 0

The Three-Light Traffic Light, Invented by Garrett Morgan in 1923. With only an elementary school education, black inventor (and son of a slave), Garrett Morgan came up with several significant inventions, including an improved sewing machine and the gas mask.

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What led to the increased production of corn and wheat in texas in the civil war
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Explanation:

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1. Established 9 new nations and shifted boundaries of others.

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1. deficit incurred due to the expenses of a political effort: Debt: to owe money

2. following one's principles: conscientious: somebody is conscientious when he/she performs a job well  

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Roosevelt‘s position on conservation and the environment are best characterized as
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For me, I would 100 percent go with C, progressive.

Explanation:

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