Which change occurred as the United States shifted from an agrarian to an industrial society? A.
Americans had fewer forms of outside entertainment in cities than on farms.

B.
Cities became overcrowded and faced new challenges in providing public services.

C.
Fewer children attended public schools once their families migrated to urban areas.

D.
Workers' families enjoyed more fresh air and cleaner water in cities than in rural areas.

Ans1. Because they were monopolies, railroads and grain operators were able to charge such high rates.

2. The impact of political machines in the United States is that they saw what the city needs more.

Explanation:

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."