Do you know this it is for social studies

Contention

A contention is like an assertion, especially in an argument.  Another word for that is claim.  Think claim like the kind of claim ur supposed to back up with evidence in an argumentative essay

None of the other words make sense

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.