The ideological and political debate over the slavery legality in Kansas(Midwestern US) led to the outbreak of border war or bleeding Kansas. It is series of violent civil war between pro- & anti-slavery forces in US from 1854 to 1861.
The major goal of the armed pro-slavery activist force or the Border Ruffians was to vote in favor of pro-slavery democratic candidate John Wilkins Whitfield. And in the following year election report it has been stated that 1,729 fraudulent votes had been cast in 1,114 legal votes. In the next election also they illegally voted for the pro-slavery candidate. They were also known as Southern Yankees.