The United States has a federal presidential constitutional republic form of government. The US declared its independence in 1776, and is led by a President and a Vice President.
The US does not and never has had a new government name
The External home affairs is the one form of Indian government to constitute to the us government.
Session is the name you are looking for.
This form of government is known as a republic.
Because it had a republican form of government prior to the civil war. The fundamental form of the US government has not changed since its formation 234 years ago.
democratic
You could say that...
A constitutional republic
Democracy
The US started out with, and still is, a republic.
Greece
The form of government was Anachronism.