Executive and legislative power are divided between different offices in what system

The mayor-council system is one of the most common systems of municipal governments.

Explanation:

Checks and Balances

Explanation:

The U.S. government needed no make a system of government that wasn't too powerful, so they made three different branches that check each other's work and make sure they don't get too powerful.

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;