Answer :
The major event that occurred in the United States history and also led to the stated debate is the Civil War. Hence, Option A is correct.
What does the Civil War mean?
In the harbor of Charleston, South Carolina, Confederate soldiers opened fire on Fort Sumter. After less than 34 hours, Union forces gave up. This occasion has typically been used to denote the start of the Civil War.
Although all of the states agreed to ratify the constitution thanks to the three-fifths compromise, regional disparities and ongoing arguments over slavery, representation, and legislation ultimately led to a deadly civil war.
Therefore, Option A is correct.
Learn more about the Civil War from here:
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