The ultimate purpose of the slave codes was to a. teach slaves to obey by settling harsh punishments for disobedience. b. define how much mixed blood a mulatto could have to be classified as predominantly white or black. c. prevent runaways and rebellions by limiting the way slave owners could treat slaves. d. prohibit the mulatto children of planters the ability to inherit from their fathers. e. establish prices for slaves at markets throughout the nation. 1 points Save Answer