Will mark brainlist and give 15 points

No man is allowed to be the judge in his own cause because his interest would certainly bias his judgment, and, not improbably, corrupt his integrity. With equal, nay with greater reason, a body of men are unfit to be both judges and parties at the same time.- Federalist No. 10. Which of the following principles is reflected in this quote?
1.Popular sovereignty
2.The danger of factions
3.Checks and balances
4.Federalism