With one ruling, Marshall both raised the stature of the Supreme Court and established the precedent known as judicial review, which gives the Supreme Court the ability to determine the constitutionality of acts of Congress and the President.
As the delegates discussed the role of the Executive, they began brainstorming what they imagined the office should be like. They agreed that the person to hold the office should be a person of integrity who had the respect of the people. Gradually, as they discussed this abstract Executive, whom they soon agreed should be called President, it dawned on them that they were, in fact, describing someone who already sat among them—George Washington.
The Kansas-Nebraska Act led to a regional political realignment that gave rise to the Republican Party and was arguably the most consequential event leading to the Civil War.