In this 2009 file photo child labourers hold each others hands after being rescued from shoe factories on World Day Against Child Labour in New Delhi. REUTERS/Adnan Abidi As climate 'tipping points' ...

New slavery -- Slavery throughout history -- Types of slavery -- Slavery around the world -- Slavery and globalization -- Controversies and problems -- How we will end slavery -- Timeline -- Notes -- ...

Special appearances by Henry Louis Gates Jr. America's defining institution, as told through the lives of nine enslaved people. Enroll in the college course you wish you'd taken, learning from ...

Early travelers to the American West encountered unfree people nearly everywhere they went: on ranches and farmsteads, in mines and private homes, and even on the open market, bartered like any other ...

In 1812, Spanish officials in Havana, searching the house of a man named José Antonio Aponte, discovered a wooden box hidden in a clothing trunk, opened it, and were stunned by what they found inside.