European liberal politics of the mid-nineteenth century relied on for its power.

This answer would be "the upper class."

for the points : )

explanation:

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.