>>2929484 (lb)
Constitutional republic
>>2929583 (lb)
Representative democracy
Wrong.
The Federal Government of the United States (U.S. Federal Government) is the national government of the United States, a federal republic in North America, composed of 50 states, one district—Washington, D.C., and several territories.
https://en.wikipedia.org/wiki/Federal_Government_of_the_United_States