What is the aztec empire. what did the spanish do with him

What might balance federal and state powers present a problem

Me < 3 there are multiple ‘3rd party’ political parties in the us. what are the benefits of having 3rd parties? what are the disadvantages of being a member of one? would the u.s. benefit if there were more 3rd parties created, more support for the current ones, or would it be best to get rid of them altogether? why?

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic