20 points! can somebody paraphrase this for me? columbus conceives of "the enterprise of the indies" but fails to convince king john ii of portugal to back the plan. wife felipa dies.

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.

just finished this it is b. centrifugal force