Political Science: identify and explain the four factors that are critical to the effectiveness and endurance of the American political system.

The four factors that are critical to the effectiveness and endurance of the American Political system are:

Explanation:

Her age next birthday is 245  years.  On the 4th of July, 2021, USA will be almost two and half millennia old.

Her system of politics has endured these years because it is founded on the principles highlighted above which may be found implicitly or explicitly in her writ of origins otherwise known as the Declaration of Independence (DoI).

The DoI posits three key ideas:

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

answer; i believe the correct answer is (8) eight.