According to the u.s. constitution, the president may enter into treaties with foreign governments provided that

I believe democracy is the best form of government. A democratic government is controlled better than other governments. There's no opportunity to misuse power because of that. It also gives citizen power by allowing them to choose who they want in office.

Federal, confederation and unitary are the three ways that authority can be distributed in the government.

False

Separation of powers refers to the division of government responsibilities into distinct branches (legislative, judicial, and executive) to limit any one branch from becoming too powerful. The separation of powers provides a system of shared power known as Checks and Balances.

im not sure about the last one, sorry.