Quite the opposite. It was passed in 1878 because of the backlash against Reconstruction, shortly after federal troops were withdrawn from the South in 1877, and was intended to prevent something like Reconstruction from happening again.
> It was passed in 1878 because of the backlash against Reconstruction, shortly after federal troops were withdrawn from the South in 1877, and was intended to prevent Reconstruction from happening again
You're right. Sorry, I didn't mean to suggest it was a product of Reconstruction. It was absolutely part of the process of post-civil war renormalisation.
https://en.wikipedia.org/wiki/Posse_Comitatus_Act