He made his opinion clear that he wanted to end slavery and that slavery was evil in God's eyes
True
Islamic faith do not prohibit birth control. the prophet himself allowed coitus interruptus but the woman must consent to it as it denies satisfaction and child giving which are her rights. Islamic scholars interpreted this to allows child birth controls very early in their time, unlike Christianity and judaism which consider sacred the issue involving procreation, based on the story of Onan and his punishment by Yahweh.
