What was one effect of the columbian exchange on native americans?

a. it brought them domestic animals they had never seen before.

b. it allowed them to construct larger vessels for ocean travel.

c. it brought them new techniques for building houses and other structures.

d. it brought them new found riches.

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.