Answer:
Article I.
Explanation:
A constitution refers to a set of written laws and principles which is typically used to determine the power and authority of the government, as well as guarantee the fundamental rights of its citizens.
The authors of the Constitution of the United States of America established a bicameral legislature mainly because they reached a compromise between the small states and the large states over representation.
Basically, the Constitution accords powers to the national or federal government and these includes; enumerated or delegated, reflected, and concurrent powers.
Article I is an article of the US Constution that establishes the legislative branch (US Congress) which is a bicameral legislature and comprises of the Senate and the House of representatives.