It was trade.
The armies of the Umayyad Caliphate brought Islam to Central Asia. However, these armies became more and more composed of endemic Turkic Central Asians as the Umayyads pushed further and further towards East Turkestan (modern Xinjiang China).
Allah (God in English) brought Islam to people and all God creations since start of universe creation. Prophet Muhammad (PBUH) brought Islam to people per God Quran revelation to him through the angel Gabriel (Jibril in Arabic). Refer to question below for more information.
Trade brought Islam to West Africa. :)
South east Asia first brought Islam to Indonesia
before Islam: people had 360 deities as God and prayed them. people believed stars are daughters of Gods. people had a very low level of health and cleaning. Islam said there is only one God named Allah that is not human and is not material and there is no other God and prophet destroyed all deities. Islam brought high level of cleaning in life. Islam banned wine Islam fought slave-holding and removed it step by step. and many others
Nomadic Arabs brought Islam to Africa over a thousand years ago.
Nomadic Arabs brought Islam to Africa over a thousand years ago.
Islam came to central Asia in the early to mid 700s C.E. because of Persian and Turkish imperial expansion into that region. The various Turkic Tribes of Central Asia either aligned with the Muslims or with the Chinese Empire in the East, further spreading Islam all the way to Xinjiang/East Turkestan.
Islam
The Moguls are the group that brought Islam to India. This was in the 16th century, which saw many in India covert to Islam.
Islam have no culture, it's free from culture. Men have brought culture into Islam and not God.
Muhhamad was allah's (god) prophet and he was the one that introduced islam. ADDITIONAL INFORMATION: Mohammad introduced Islam with the reciting of the Qu'ran. He borrowed heavily from remembered Judaism, Christianity and the local pagan religions in the area of Mecca and Medina when reciting the Qu'ran. The reciting began in 610 to his scribe and father-in-law who became the first caliph at Mohammad's death in 633. Thus Islam began in 610.