AMERICAN INDIAN ADOPTEES: Between 1958 -1967, CWLA cooperated with the Bureau of Indian Affairs, under a federal contract, to facilitate an experiment in which 395 Indian children were removed from their tribes for adoption by non-Indian families. - federal funds , public child welfare agencies were also involved ARENA, the Adoption Resource Exchange of North America, began in 1968 . CWLA was partly responsible 650 children..