Original sentence: , was an Arab religious reformer and political leader, and the historical founder of Islam.He established the Muslim community (Ummah) and united the tribes of the Arabian Peninsula under a state governed by Islamic law with its capital in Medina
Edited sentence: , was an Arab religious reformer and political leader who preached the monotheistic religion of Islam and established the Muslim community (Ummah).He united the tribes of the Arabian Peninsula under a state governed by Islamic law with its capital in Medina