A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection

A powered rail vehicle used for pulling trains

Political party of the 1850's that was anti-Catholic and anti-immigrant

The unjust or prejudicial treatment of different categories of people

A machine for separating cotton from its seeds

Any of the set of rules based on the concept that enslaved persons were property, not people

Someone who is against slavery

A network of people, African American as well as white, offering shelter and aid to escaped enslaved people from the South

A weekly newspaper of abolitionist crusader William Lloyd Garrison for 35 years

The idea that governments are subject to the rule of the people