Slavery has been described as a "social institution defined by law and custom as the most absolute involuntary form of human servitude." . The three main characteristics of slavery are that the people are regarded as property, they are forced to serve (often through violence), and they are subject to the owner's will.

The most famous example of this kind of slavery is found in America, during the 16th, 17th and 18th century. During this time, America's southern states were dominated by slavery, and the vast majority of plantations were essentially run by black slaves, imported from Africa. The slave trade was founded in 1444, by the Portuguese who, sensing the need for more slaves, ventured to use Africans. They realised that the sheer numbers of slaves needed to work in Europe and the European colonies an America could be easily acquired from the African tribes people who were already...