Adoptive parents are least likely to influence the of their adopted children.

Self esteem

Explanation:

Adoptive parents are least likely to influence the self esteem of their adopted children.

The reason is that a child who is being adopted tends to have a hurtful history terms of being loved and taken care of. They go through a series of hardships and rejection processes through other parents which causes them to lose their self esteem and can easily slide into depression and sorts.

Therefore it becomes harder for an adoptive parent to rehabilitate the child's self esteem and make him feel loved and one of their own.

rain should be the answer.