What best defines the system of checks and balances?

A fundamental principle of American government, guaranteed by the Constitution, whereby each branch of the government (executive, judicial, and legislative) has some measure of influence over the other branches and may choose to block procedures of the other branches.

Explanation:

they supported black codes so the answer is a or b

um hi i’m new here but i have an opinion i guess. i think we are but when i say war i don’t mean fighting i mean political rallies differing opinions and cultures and ideas and they all clash so hard. not all wars are fought on a battlefield. most are fought in our minds and minds of others. somethings gonna have to change and i honestly think a ‘war’ is the best way to do it. fight it out. stand up for what you believe. it’ll work out. freakin united states of america we’ve got this.