Original sentence: , was an Arab religious and political leader and the historical founder of Islam.By 750, his successors had conquered Persia, the Levant, North Africa, Sicily and Iberia and introduced Islam to the newly acquired territories
Edited sentence: , was an Arab religious and political leader and historical founder of Islam.By 750, his successors had conquered Persia, the Levant, North Africa, Sicily and Iberia and introduced Islam to the newly acquired territories, lowered taxes, provided greater local autonomy and greater religious freedom for Jews and indigenous Christians, and brought peace to peoples demoralized and disaffected by the casualties and heavy taxation resulted from the years of Byzantine-Persian warfare