Consider the following sequence of events: congress passes a bill. the president vetoes it. congress overrides the veto. the bill becomes a law. what constitutional is at work?
a. popular sovereignty
b. federalism
c. separation of powers
d. checks and balances

Answer

Separation of powers and checks and balances

Explanation

A bill is a draft of a proposed law presented to parliament for discussion.  A bill does not become law until it is passed by the legislature and, in most cases, approved by the executive. Once a bill has been enacted into law, it is called an act of the legislature, or a statute. When the congress passes a bill. the president vetoes it. congress overrides the veto. the bill becomes a law. then the constitutional Separation of powers and checks and balances is at work.

Separation of powers is the  division of government responsibilities into distinct branches to limit any one branch from exercising the core functions of another.With the intent of providing checks and balances.

Checks and balances is a principle used in the or applied in the constitutional governments.  It is a principle of the government under which separate branches are empowered to prevent actions by other branches and are induced to share power.