What was the most significant act of this congress? defend your answer.

Correct answer is

to launch the primary arrangement of the central administration

Explanation

significant Act of Congress was to launch the primary arrangement of the central administration policy, the Chief of justice along with the  five associate magistrates. It also provided the Utmost Law court the power of reconsidering any court judgment, that is the authority to state invalid any country regulation or judgment of a country court that disrupted the legislation .

the indies

explanation:

because it's pure common sense, google it