Here we take another look at Mencius's discussion of human nature in association with his definition of ren/jen, and get at a better understanding of the Mencian approach to the human being. 1. Ren/jen (human heartedness/humaneness) as innate human nature
Slavery in the United States was the legal institution of human chattel slavery that existed in the United States of America in the 18th and 19th centuries after it gained independence and before the end of the American Civil War.
Also, by the middle of the 17th century, African slaves began to live longer than five to seven years--the standard period for indentured servitude. Put in the cold terms of economic reality, slavery became more profitable than indentured servitude.