identify and discuss three ways that life in the US was transformed in the late 1800 as a result of technological innovations​

After the Civil War, the United States rapidly transformed into an industrial, urbanized nation. Technological innovation, economic growth, development of large-scale agriculture, and the expansion of the federal government characterized the era, as did the social tensions brought about by immigration, financial turmoil, federal Indian policy, and increasing demands for rights by workers, women, and minorities.

Explanation:

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.