In africa, the creation of artwork and other handcrafted items is divided by gender. this means that
a.
different social classes create different items needed by the tribe
b.
different materials are used by men and women, and each creates different types of items
c.
different ethnic groups create different artwork, baskets, and masks
d.
different items will be found in west africa than in central africa

B:  

different materials are used by men and women, and each creates different types of items

Explanation:

If the  the creation of artwork and other handcrafted items is divided by gender, then it is the only one that would make sense, for the simple fact that it is the only one using Gender as a division technique.

the answer would be 50's sitcoms reinforced traditional roles for men and women.

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.