How did to the rise of national states, the decline of old empires, and the new imperialism contribute to the origins of the First World War

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.

i believe it is the second one.   if correct plz mark brainliest.

it created the power of judicial review.

what speech are you referring to? ?