The Legislative Branch is made up of the House of Representatives and the Senate, which together compose Congress. The House has 435 members with 2-year terms, while the Senate has 100 members with 6-year terms. Each body has specific leadership roles and powers. Congress has broad powers including taxation, spending, commerce regulation, and declaring war, but also limitations such as a ban on direct taxes until the 16th Amendment. Members receive salaries, benefits, and legal protections for their duties.