The mechanization of coal mining in Appalachia: - caused devasting poverty

- increased white collar jobs

- improved the standard of living in the region

- resulted in mass immigration to the area

-caused devasting poverty

Explanation:

Mining left lasting, negative economic impacts on the Appalachian region. Because the Appalachian economy and job market heavily relied on the coal mines as the source of primary income and job stability, the sudden halt of the coal industry led to the loss of many jobs.

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explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.