 The average native slave died at 18, and the average African slave died at 25 (the average European could expect to live until the age of 35).By 1790 the abolition movement was gaining ground in Canada and the ill intent of slavery was evidenced by an incident involving a slave woman being violently abused by her slave owner on her way to being sold in the United States.The Act Against Slavery of 1793 legislated the gradual abolition of slavery