Answer:
It Established by Article I of the Constitution
Step-by-step explanation:
The Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress.
How is the legislative branch set up and why?
The legislative branch is made up of the House and Senate, known collectively as the Congress Among other powers, the legislative branch makes all laws, declares war, regulates interstate and foreign commerce and controls taxing and spending policies.