The Roman Empire faced many threats of invasion, especially from the Franks, Goths, and Vandals. These groups were all .
A.

Germanic tribes
B.

Persians
C.

Africans
D.

mercenaries

Please select the best answer from the choices provided

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.