 Instead, he devoted his efforts to nascent movements designed to empower American Indians, and to anti-Catholic propaganda against the 1960 presidential campaign of John F. Kennedy.Holdridge founded the "Minute Men for the Constitution" in 1957, which published two newsletters but did little else.In 1960 he established the "Constitutional Provisional Government of the United States", which claimed the Hopi Indians were still a sovereign nation, since they had never signed a peace treaty with the United States.