These cloned humans work for naturally born, pure-blood humans without pay or rests.

During the 17th to 19th centuries, these people were kidnapped from their homeland and shipped over to American colonies to work on tobacco and cotton plantations.

This is the second largest crime globally, making approximately $150 billion in illegal profits per year.

This substance is fed to fabricants in an effort to reduce their knowledge-gaining capabilities and to deaden curiosity, further putting them into their place as indentured servants.

Greedy slave merchants, such as this British seaman, started to transport slaves to the West Indies in 1562 to cultivate the land there.

Young kids are exploited into working, which deprives them of their childhood, interferes with their ability to attend school, and harms them physically and mentally.

Sonmi-451 writes a set of these to get other cloned fabricants to revolt against the government's oppression, in an effort to make fabricants acquire equal rights to those of pure-blood humans.

This four-year war, occurring in the United States between the Union and the Confederacy, was caused by uncompromising differences over slavery.

People who are in debt and in poverty are forced to borrow money, and are later enslaved to pay off the debt, often losing control of their employment conditions and debt.

This government controls the corporatic society in Nea So Copros, the futuristic version of Korea. They enslave the fabricants and control fabricant production.

Adopted on December 1865, this Amendment officially abolished slavery in the United States, quoting, "Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction."