Muhammad in Islam of all pagan idols. In later years in Medina, Muhammad unified the different tribes of Arabia under Islam, carried out social and religious reforms. By the time he died in 632, almost all the tribes of the Arabian Peninsula had converted to Islam. The Quran enumerates little about Muhammad's early life or other biographic details, but it talks about his prophetic mission, his moral excellence, and theological issues regarding Muhammad. According to the Quran, Muhammad is the last in a chain of prophets sent by God (). Throughout the Quran, Muhammad is referred to as "Messenger", "Messenger of God", and
Islam in the United States rates among American Muslims and immigration of Muslims to the U.S. as the reasons for the growth. It said that religious conversion was not expected to be a significant factor, because the number of American converts to Islam is roughly the same as the number of people who leave the religion. According to a 2001 study written by Ihsan Bagby, an associate professor of Islamic studies at the University of Kentucky, of Americans who convert to Islam, 64% are African American, 27% are White, 6% are Hispanic of any race, and 3% are other. Around that time increasing numbers of