A constitutional republic
The External home affairs is the one form of Indian government to constitute to the us government.
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.
You could say that...
democratic
Democracy
The US started out with, and still is, a republic.
The form of government was Anachronism.
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Rome
They had a similar form of government.
Greece