A good clue to the answer is to find out when official federal documents no longer said "the United States are", but replaced that phrase with "the United States is".
A good clue to the answer is to find out when official federal documents no longer said "the United States are", but replaced that phrase with "the United States is".
A good clue to the answer is to find out when official federal documents no longer said "the United States are", but replaced that phrase with "the United States is".