Answer :
This is false that they chose to leave out the issue of slavery in order to gain legitimacy from the union.
The Confederate States (also known as the "Confederacy"), which were formed when seven Southern states declared their secession from the United States (the Union), and the reasons why the North refused to accept them, are the main topics of debate among historians who study the causes of the American Civil War.
Four additional states joined them after the war began. Slavery was not the primary reason for the secession, according to proponents of the mythical Lost Cause ideology.
The battle over slavery was not simply "a cause" of the war, it was "the reason," according to historians of the 21st century, but they are highly divided on whether components of this conflict (ideological, economic, political, or social) were most significant.
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