Ethnic groups share a common while religious groups share a common
.

Ethnic groups share a common characteristic while religious groups share a common belief.

the only true answer is that it expanded after 325 ad.

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.