In the United States, both the executive branch, led by the president, and the legislative branch, led by Congress, share responsibility for passing laws. If Congress passes a bill that the president disagrees with, the president can veto it, preventing it from becoming law. Congress can override the veto with a two-thirds vote in each of its two legislative houses. Which idea does this scenario best represent?
A.Popular sovereignty
B.Human rights
C.Social contracts
D.Checks and balances