Political instability in caribbean south america is most closely tied to? a. ethnic differences. b. religious conflict. c. wealth disparity. d. scarcity of resources.

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.