How did the mechanization of the mining industry affect
the american economy?

By the coming of the industrialization, led to an increase in the mining industry because it provided coal, iron ore, etc., to run factories.

Explanation:

The mining industries began to grow during the industrial revolution in Europe and America. Iron ore and coal played a crucial role in expanding industries. Companies benefited from the mining industries because it also helped in bring steamships and railroads for transpiring raw materials and as well as for the goods. More opportunities for jobs were available.

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.