I don't know, this is why I'm having trouble too.
Islam spread to libya by other countries
A struggle or conflict to spread Islam is a Jihad
Islam never spread by war. Refer to question below.
Islam spread north at first and then spread east and west.
Prophet Muhammad (peace be upon him) taught his family and companions about Islam and then the word went around and with the conquests , empires, and converts spread to the entire earth.
It was spread in Arabic.
Islam first spread along TRADE ROUTES since merchants could often bring the religion to places too far away to effectively conquer.
The prophets of god spread Islam.
to what regions, and in what general order, had Islam spread by 750
to what regions, and in what general order, had Islam spread by 750
Islam never spread by war. Refer to question below.