When the Missouri Compromise failed to maintain balance between slave states and free states, what did U. S. senators decide to do?

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.

me no say

answer; approx,300,000 ;

answer; the above statement is (true);