The correct answer is It is bicameral.
Explanation: Bicameral System is a system of the government that has the power of legislature in two houses. A bicameral legislature.
In the United States of America there are the House of Representatives and the Senate.
The 435 members of the House of Representatives are looking for interests of all residents of the states, and the 100 members(two from state) of Senate are looking for represents the interests of their governments.