3. all mound builder cultures shared:

the same lands

the same years of activity

the same cultural traits

which one?

Your answer would be letter C or Number 3

"The same years of  activity"

Explanation:

answer; bonds; i believe this is the correct answer good luck

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.