status of recent slaves to that of equal American citizens? (1865-1939) Intro…. The Black Codes were a series of Southern legislatures passed in 1866 that were intended to replace the slave codes. These were designed to keep the freed black person in a subordinate position, stating that they could not own or carry guns, testify against white people in court and were forbidden to marry white people. These Codes had in fact implemented a new form of slavery. This suggests that the status of recent