Abenefit of a bicameral legislature is that it

separates powers, keeping one body from gaining too much power.

Explanation:

This could be the greatest benefit of having a bicameral legislature, the fact that it keeps the other lwe-making bodies from gaining too much power over the country that they could run it single handedly, this prevents the USA from becoming a dictatorship or an oligarchy.

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation:

sorry i really dont know