How did new technologies contribute to the growth of the economy after the civil war

Everything happened during the industrial revolution.

Explanation:

America was one of the focal points of the industrial revolution. In this context, many innovations and technological achievements have been created that have facilitated everyday life and strengthened the country's economic growth. Steam machines took the lead in this context. In transport, these machines transported people and goods much faster, saving a lot of time and thus money. A plow that moved in the same way led to a revolution in production. A much larger amount of food was placed on the market much faster, affecting the economic race. The telegraph has contributed to the faster flow of information, which is also an important factor in this context. The United States was at the forefront of arms production, which increased the export of those goods and further enriched the state coffers.

i thinl it is the 1st answer

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.