Republican (nationalist) former Senator George S. Boutwell, of the Commonwealth of Massachusetts, founds the American Anti-imperialist League for the purpose of opposing United states annexation of the Philippines.
Postscript: Others who joined the AAIL were Democratic (constitutionalist) former President Cleveland; Samuel L. Clemens (a.k.a. Mark Twain); and Jane Addams, founder of Hull House.
[restored 5/27/2022]
Subsequent Events:
Authority:
Article I of Amendment
ccc-2point0.com/constitution-for-the-united-states
References:
American Anti-Imperialist League – Wikipedia
en.wikipedia.org/wiki/American_Anti-Imperialist_League