Bible And Slavery
Message and metaphysical facts has been same for all nations, also teaching of ethics in principle stayed the same, however, Shariah has been different for different nations. as the Quran says: 5:48 لِكُلٍّ جَعَلْنَا مِنكُمْ شِرْعَةً وَمِنْهَاجًا However, Israelites were asked to set free their Israelite brothers and sisters if they sold themselves to them due to poverty or debt etc, in the 7th Year, i.e., which came after every six years according to their calendar, but this directives was extended to non-Israelites, then.