Nfederalist no. 51, what government structure did james madison recommend to ensure "ambition . . .be made to counteract ambition"?

In Federalist essay number 51, Madison recommends a system of checks and balances. This type of government structure will allow for different branches of the federal government to have different responsibilities. This would ensure that  ambition would "counteract" ambition.

For example, in our government the legislative branch (Congress) has the ability to pass laws. This power is checked by the executive branch (president), as he can veto this law. Along with this, the Supreme Court can check Congress's power as well, as they can rule laws unconstitutional.

D. Principalities were small territories that were run by Russian rulers.

Explanation:

The pincipalities were small territories in Norten Asia that were ruled by Russian rulers and were under their influence, they were semi-independant territories or states that used to get together when it came to defend the territory, it wouldn´t be untill the 15th century that Ivan III unifyed all of the principalities under the Muscovite principalicity making it an empire.