>sauce dat!
In 1916, with World War I looming for the United States, a group of Nebraska residents gathered petition signatures and sent a constitutional amendment to Congress that would have enacted a national referendum before lawmakers could declare war.
https://www.huffpost.com/entry/amendment-war-national-vote_n_3866686
1916: all acts of war should be put to a national vote. Anyone voting yes had to register as a volunteer for service in the United States Army
https://www.constitutionfacts.com/us-constitution-amendments/proposed-amendments/