Final answer:
Tribal traditions, religious beliefs, and socio-economic factors were important historical influences on the formation of Muhammad's community, impacting Islam.
Step-by-step explanation:
The most important historical influences on the formation of Muhammad's community and their impact on Islam included tribal traditions, religious beliefs, and socio-economic factors. These influences played a significant role in shaping the early Muslim community and contributed to the development of Islam as a distinct religion. While Muhammad's teachings were central to the formation of the community, the historical influences from tribal traditions, religious beliefs, and socio-economic factors greatly impacted the growth and spread of Islam.