Strangers and Minors i think i Could be wrong
Because they need to balance out the power between each branch, they need to check and balance each other
Impeachment power because both House and Senate both carry out this process to trial! Hope that answered your question!!!!
Montesquieu's system of "separation of powers" means that government should be divided into three branches (a). Montesquieu argued that a tripartite system was best or a system divided between the legislative, executive, and judicial branches so that no one branch would gain too much power in governance.