It is not about any particular region, since pro segregation and anti other attitudes can be found everywhere, and not just among white people. But it is these attitudes that cause the conflict that people who hold them fear.
With respect to the military and conscription, the US military does not have the need for the numbers that would produced by universal conscription, and would have to relax standards to do so (only about 30% of young people in the US are eligible under current standards).