He advocated counting the full slave population in the states' totals for the purposes of Congressional apportionment, but had to be satisfied with the compromise to count three-fifths of the slaves toward that end.
Two women founded the National Woman Suffrage Association, they were Elizabeth Stanton and Susan Anthony. The primary goal of the NWSA was to gain women's right to vote, along with anybody of any race. They initially wanted the fifteenth amendment to grant women's right to vote, but when it got passed it only allowed men of any race to vote, not women.
Most people vote out of self-interest, for example people without health insurance would probably vote to enact a universal healthcare bill, or a wealthy person may vote for lower taxes.
The north reacted very well to the abolitionist movement considering the North believed slavery was wrong.