During the antebellum (pre-civil war) temperance movement, this group was key in fighting for it.

I think the answer is going to be B.) slave

they gained popular support by speaking out against communists

in the united states. ( d.)

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.