What cultural aspects of north africa were from egypt?

A lot of cultural aspects are from egypt, for example the popular music and shows watched in north africa are mostly egyptian shows, egypt is actually often times called the hollywood of the east. They also changed the language from traditional arabic because of egyptian slang annd pronunciation. In the past it affected trade greatly in north africa because it was considered a main trading area.I don't know what you meant specifically but there are a lot of things and you can read more on the net... just search something like "culture aspects of egypt that affected north africa":

It’s actually still in the u.s.