What Assumptions Can Be Made About Racial Differences in Grandparenting

What assumptions can be made about racial differences in grandparenting using the integrative explanation?

A) Structural factors such as racism define grandparents' roles as kin keepers in Mexican American families.
B) Cultural values and structural factors make grandmothers more important in Black families.
C) Cultural values such as self-reliance hinder the relationship of White grandparents with grandchildren.
D) Gender expectations and cultural values define White grandparents role as remote.