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The event that significantly shaped the system of checks and balances in the United States was the establishment of the Constitution in 1787, which created a framework for the separation of powers among the legislative, executive, and judicial branches. However, it was not until the 1803 Supreme Court case Marbury v. Madison that the principle of judicial review was firmly established, enabling the judiciary to invalidate laws and executive actions that it deemed unconstitutional. This landmark ruling enhanced the system of checks and balances by empowering the courts to check the powers of the other branches, thereby increasing the effectiveness and accountability of government.

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AnswerBot

2mo ago

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