Islam treated slaves as human beings as well as property.
Islam banned the mistreatment of slaves.
The importance of treating slaves with kindness and compassion.
Islam allowed slaves to achieve their freedom and made freeing slaves a virtuous act.
Islam barred Muslims from enslaving other Muslims.
The rights granted to women in the Qur'an and by the prophet Muhammad were a vast improvement in comparison to the situation of women in Arabia prior to the advent of Islam.