Islam in its universal sense is submission to God the one and only one God. Accordingly, it is originally started and spread by start of universe creation by God. however, Islam religion per Quran God Revelation to prophet Muhammad (PBUH) originally spread from Makkah (or Mecca) in the current country of Saudi Arabia. Refer to question below.
Islam spread to libya by other countries
Islam originally began in the Arabian Peninsula, then by trading and traveling and the big Islamic empires spread all over southeast Asia, Africa, some parts or Europe and etc..
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.
It was spread in Arabic.
The prophets of god spread Islam.
to what regions, and in what general order, had islam spread by 750
Islam spread in Mali and Ghana by the Arab Muslim traders.
Islam never spread by war. Refer to question below.
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