What is the fundamental source of authority of the united states government?

a.) the senate
b.) the president
c.) the constitution
d.) the u. s. capitol

The American government is built by the people and is meant to serve the people. It draws its fundamental authority from the Constitution so it stays true to the ideals of the country’s Founding Fathers.

from the conditions of the working class in england by friedrich engels,the main idea is :

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.