On March 11, 1854, the people of Wisconsin prevented agents of the federal government from carrying away the fugitive slave, Joshua Glover. Assembling in mass outside the Milwaukee courthouse, they demanded that the federal officers respect his civil liberties as they would those of any other citizen of the state. When the officers refused, the crowd took matters into its own hands and rescued Joshua Glover. The federal government brought his rescuers to trial, but the Wisconsin Supreme Court intervened and took the bold step of ruling the Fugitive Slave Act unconstitutional.

The...

Margaret Morgan was born in freedom's shadow. Her parents were slaves of John Ashmore, a prosperous Maryland mill owner who freed many of his slaves in the last years of his life. Ashmore never laid claim to Margaret, who eventually married a free black man and moved to Pennsylvania. Then, John Ashmore's widow sent Edward Prigg to Pennsylvania to claim Margaret as a runaway. Prigg seized Margaret and her children--one of them born in Pennsylvania--and forcibly removed them to Maryland in violation of Pennsylvania law. In the ensuing uproar, Prigg was indicted for kidnapping under...

Margaret Morgan was born in freedom's shadow. Her parents were slaves of John Ashmore, a prosperous Maryland mill owner who freed many of his slaves in the last years of his life. Ashmore never laid claim to Margaret, who eventually married a free black man and moved to Pennsylvania. Then, John Ashmore's widow sent Edward Prigg to Pennsylvania to claim Margaret as a runaway. Prigg seized Margaret and her children--one of them born in Pennsylvania--and forcibly removed them to Maryland in violation of Pennsylvania law. In the ensuing uproar, Prigg was indicted for kidnapping under...