This is where it starts. Not at the federal level. They (feds) sue, then secession is the next.
The feds try the “You aint gettin no federal funding” BS? Then seize all federal lands and parks.
>>The feds try the You aint gettin no federal funding BS? Then seize all federal lands and parks.<<
Won’t work anymore; there’s nothing to give, only take. A threat today would be countered by the states impounding the gas taxes they collect and remit.
The states should assume it constitutionally guaranteed functions or before too long the country will be known as The United America.