J. mcvicker hunt began a program of tutored human enrichment in an iranian orphanage. this program trained caregivers

Imitate babies' babbling                        

Explanation:

The answer is --- Imitate babies' babbling.

Joseph McVicker Hunt was a famous American author and educational psychologist.  He encouraged and researched concepts that is related to  malleable behavior of a child intelligence.

In  the Iranian orphanage, Joseph McVicker Hunt trained  caretakers about the human enrichment to imitate the babies' sound or murmuring.

babbling is a stage in the young children where babies create or experiments with any articulate sounds but does not mean any recognizable words.

Thus the answer is ---

Imitate babies' babbling

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.

answer: b has a great day

explanation: