Assuming it was a peacefull succession. Negotiations etc. Really not to difficult to resolve.
Of course the reality is no one in power in Texas really wants to go independent. They want to use the threat to try and controll the federal government. And or They are just using there supporters to gain a foot hold on some power.
Historically less so. Even back in the 80s lots of girls i knew and thought of as tom boys. Where forced to dress and act girlie by there parents. Further back you go more limits there were.