The American South was the area that revolted against the federal government, and seceded from the Union in 1860-1861, culminating in the American Civil War (1861-1865), with the Republican Party representing the Union cause, and the Democratic Party being dominant in the South.
The South remained strongly Democratic until the Civil Rights Act of 1964 was passed under Democratic President Lyndon B. Johnson.
Since then, most of the South has become strongly Republican, and promoters of white supremacy and Christian Nationalism, to the point that most of the potential Republican Presidential contenders in 2024 derive from the South!
These include the following:
Donald Trump, Ron DeSantis, Marco Rubio, and Rick Scott of Florida
Ted Cruz and Greg Abbott of Texas
Asa Hutchinson and Tom Cotton of Arkansas
Nikki Haley and Tim Scott of South Carolina
Glenn Youngkin of Virginia
These eleven Republicans are not all sure bets to run, but all have been rumored, although some seem to be backing away from doing so.
Other potential contenders come from the Northeast area of the US, including
Chris Sununu of New Hampshire
Chris Christie of New Jersey
Larry Hogan of Maryland
And finally, from the Midwest area of the US, we have such potential contenders as
Mike Pence of Indiana
Mike Pompeo of Kansas
Josh Hawley of Missouri
Kristi Noem of South Dakota
Adam Kinzinger of Illinois
And finally, we have Liz Cheney of Wyoming