When a slave is freed--and in the Ancient World, in the Roman Empire, most slaves were eventually freed, - unless they just died before long-- they became a freed man.

当一名奴隶被释放。。。在古罗马帝国，几乎所有奴隶最终都会被释放，除非他们很早就去世-,成为脱离奴隶身份的人。

耶鲁公开课 - 新约课程节选

And he began to write back, first to his fiancee who quickly became his wife, Mary, and he was really worried about all the slaves he owned.

随后他就开始写回信,首先给他的未婚妻玛丽,不久便结婚了,并且他对他所拥有的奴隶充满忧虑

耶鲁公开课 - 美国内战与重建课程节选

Larry Bittner, a lawyer who campaigned with Mrs Rathbun, said she had the strength of purpose of Harriet Tubman and Sojourner Truth, two former slaves who became prominent in 19th-century reformist movements in America.

ECONOMIST: Mary Jane Rathbun | The

Malaria, yellow fever and other mortal illnesses became endemic, which is one reason so many slaves were transported.

FORBES: Columbus: Father of Globalization

However, due to the lack of skilled craftsmen in Cuba, where African slaves made up the bulk of the labour force, Cuban Baroque became a simplified version of European Baroque, with a more streamlined and muscular profile than Paris or Vienna.

BBC: Cuba��s eclectic architecture