Help please! How did Islam spread across North Africa? Select all that apply. as a result of slavery via missionaries through conquest with merchants because of the hajj

It happened because of missionaries preaching and teaching the ways of Islam.

Explanation:

Islam then spread slowly in much of the continent through trade and preaching. During this period these Muslims from North and West Africa came to be known by Europeans at large as Moors and were depicted by Europeans as black, swarthy or tawny in skin color.

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.