The bigger problem is how do you fit 150 million people into Texas?
but how much of Texas is federal land ,that Obama would keep
None, if Texas does secede. All the land would still be part of Texas, so none of it could be rightfully claimed by the fedgov.
but how much of Texas is federal land ,that Obama would keep
Very little
None. If I remember my Texas history correctly, that is one of the benefits of entering the union as a sovereign nation by treaty.
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