Republican (nationalist) de facto President Rutherford B. Hayes (a resident of the federal enclave of Ohio) signs the Posse Comitatus Act of 1878, prohibiting the Army of the United states from enforcing civilian law.

[added 3/29/2025]

Subsequent Events:

Authority:

Article I, Section 8 [Clause 14]
ccc-2point0.com/constitution-for-the-united-states

References:

Posse Comitatus Act – Wikipedia
en.wikipedia.org/wiki/Posse_Comitatus_Act

Reconstruction era – Wikipedia
en.wikipedia.org/wiki/Reconstruction_era

Current U.s. National Debt:

$36,213,590,712,228

Source