16. Records of the goods people exchanged were made on A. metal coins.
B. clay tablets.
C. animal hides.
D. flattened reeds.
a
O BI
PLEASEEE HELPPp

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answer; i believe its called ; checks   and balances;

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.