Answer:
D. to provide access to information regarding child welfare.
Step-by-step explanation:
The Child Welfare Information Gateway is a division of the U.S. Department of Health & Human Services. Their main purpose is to promote the safety and welfare of children and families. Also, to achieve that promotion goal, they offer access to databases, websites and publications that provide information about children welfare, child abuse, adoption and other issues.
Their slogan is Protecting Children, Strengthening Families.
Therefore, the correct answer is D.