[Aarchaeus]

"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.

[octex]

“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.
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As I recall, when the Republic of Texas agreed to join the US they retained all rights/ownership of Texas lands.

Since then, Texas has given over some land for National Parks and US military bases. Otherwise, the feds can’t mess with taking over Texas land.