Islam and the arabic language spread throughout north africa in the 600s primarily through
a.
african traders
b.
american colonists
c.
european explorers
d.
middle eastern armies

Islam and the Arabic language spread throughout North Africa in the 600s primarily through expansion of the Muslim Caliphate which was through military conquest and therefore the answer is D) Middle Eastern armies. However, African traders also played a role in spreading Islam and Arabic in the region and traders helped to spread the religion around the globe. 

Social and economicthe concept of international social responsibility is the expectation that mncs concern themselves about social and economic effects of their decisions regarding activities in other countries.