The IPP program flourished during the 1960s and 1970s, when it had the highest participation, but many Navajo and other Native Americans criticized it, particularly for the efforts of missionaries to proselytize under this program.
The IPP program flourished during the 1960s and 1970s, when it had the highest participation. Many Navajo and other Native Americans criticized it, particularly for the efforts of missionaries to proselytize their chidlren under this program.