What is the best definition of an economic system

He u.s. constitution (1787) establishes a national legislature with powers to “create national law”, a national executive with the power to “enforce national law”, and a national judiciary branch with the power to “interpret national and state policies” to see whether or not they violate the national constitution. this term describes the division of governmental authority into semi-independent bodies?

Brainliesttt !me : ) what brought about the end of the soviet union?

Enter the word you receive when you completed the river valley civilizations activity