The law of slavery > Sources of slavery law
By definition slavery must be sanctioned by the society in which it exists, and such approval is most easily expressed in written norms or laws. Thus it is not accidental that even the briefest code of a relatively uncomplicated slave-owning society was likely to contain at least a few articles on slavery.
Both slave-owning and slave societies that were part of the major cultural traditions borrowed some of their laws about slavery from the religious texts of their respective civilizations. Principles regarding slavery that proved to be either unprofitable or unworkable were among the first to be discarded. An obvious example is provided by the biblical law that Hebrew slaves were to be manumitted after six years (Exodus 21:2; Deuteronomy 15:12). A similar general recommendation that slaves be freed after six years in bondage was adhered to by many Islamic slave-owning societies; it helps to account for the ferocity and frequency of their slave raids, for they had a need for constant replenishment of their slave supplies. In Christian slave societies, on the other hand, the principle that the tenure of slavery should be limited was almost completely ignored.
Practically every society that possessed slaves wrote about them in its laws, and thus only a few codes can be mentioned here. The ancient Mesopotamian laws of Eshnunna (c. 1900 BCE) and the Code of Hammurabi had a number of articles devoted to slavery, as did the Pentateuch. In ancient India the Laws of Manu of the 1st century BCE contained numerous laws on slaves.
Little is known about the Athenian law of slavery, but the Roman law of slavery was extraordinarily elaborate. Roman law was summed up in the great Pandects of Justinian of 533 CE, and some of its slave norms later found their way into the Byzantine Ecloga (which incorporated Syrian norms as well) of 726 CE and, more deliberately, into the Procheiron Nomos of 867879 CE. Romano-Byzantine norms also found their way into the Bulgarian Court Law for the People (Zakon Sudnyi Liudem) of the end of the 9th century and the 13th-century Ethiopian Fetha Nagast.
The European barbarian (Germanic) codes, which first appeared in the 5th century CE and remained in effect for about half a millennium, were derived from customary law influenced by Roman law. The slave statutes of the Russian Russkaya Pravda of the 11th13th century were all clearly of native East Slavic origin. The same was true of the Muscovite court handbooks (Sudebniki) of 1497, 1550, 1589, and 1606. The Muscovite Russians had a special government office to deal with slavery matters, the Slavery Chancellery (15711704), and its practice became the basis of chapter 20 of the great Ulozhenie of 1649, which constituted 119 of the 967 articles of the code; other articles dealt with slavery as well.
The Qur'an was the fundamental starting point for Islamic law (Shari'ah), including the law of slavery. It was supplemented by the ijma', the scholarly legal consensus, and the qiyas, juristic reasoning by analogy. Islamic law regulated in detail every part of the institution of slavery, from the jihad (holy war) and the distribution of booty to the treatment of slaves and emancipation. The last Islamic slave law was promulgated in 1936 by King Ibn Sa'ud of Saudi Arabia, which restated the teachings of the Qur'an. It also required owners to register slaves with the government and licensed slave traders.
Some sub-Saharan African societies followed Islamic law; others had their own. The latter ordinarily were not systematized until the European colonization movement, and so their law of slavery was oral common law.
Slavery was a relatively prominent institution in the Chinese Tang Code of the 7th century CE. Subsequently it was mentioned in every Chinese law down to the 20th century and was also important in the Korean legal system. The slavery norms of the Mongol Great Yassa of Genghis Khan were locally generated, but subsequent Mongol law reveals considerable influence of the Tang Code.
The circum-Caribbean world had several basic laws of slavery. The slave law of the Spanish-speaking colonies and then independent countries was based on the Siete Partidas of 126365 of Alfonso X of Castile and Léon and the Spanish Slave Code of 1789. Another important code in Latin America was Louis XIV's Code Noir of 1685. The Louisiana Slave Code of 1824 was based on the Siete Partidas and the Code Napoléon.
The Danish Virgin Islands had two largely locally generated codes of 1733 and 1755, although they were approved by the colonial administration of Denmark. The English colonies were completely autonomous, for England had no law of slavery from which to borrow. The first code was that of Barbados of 1688, whose origins are unknown. It was imitated by the South Carolina code of 1740. Beginning with Virginia in 1662, each colony in North America worked out its own ex post facto law of slavery before independence, a process that continued after the creation of the United States and until the Civil War. Slavery is mentioned only three times and referred to at most 10 times (and then only indirectly) in the U.S. Constitution, and, except for a handful of measures on fugitives, there was no federal slave law. The basic protection for the institution of slavery was the Tenth Amendment of 1791, the reserved powers clause, which left the issue of slavery and other matters to the states.
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