The Wartime Elections Act was a bill passed on September 20, 1917 by the Conservative government of Robert Borden during the Conscription Crisis of 1917 and was instrumental in pushing Liberals to join the Conservatives in the formation of the Canadian Unionist government.
The larger population a state had the more representation they got in Congress so southern states did want slaves to count towards the states population. Slaves would later be counted and 3 out of every 5 slaves were counted as people.