In north american culture categories such as age, ethnicity, race, gender, sexual orientation, physical disabilities and religion are all considered:

The answer is "co-cultures".

A co-culture is a gathering whose qualities, convictions or practices set it apart from the bigger culture, which it is a piece of and with which it shares numerous likenesses. Societies may include numerous subsets, and these co-societies may flourish inside them.

i would say b probably

can you show the map