How did electric power transform American society?

People could move about more freely, especially at night because of electric lights. Easier living in a home as well. Factories could be built, hospitals could function better, streetlights

Explanation:

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.