Joseph being given an Egyptian wife by Pharaoh, Rahab, the prostitute from Jericho, marrying Salmon - becoming an ancestor of Christ, Ruth the Moabite married Boaz - also becoming an ancestor of Christ, and King Solomon marrying Pharaoh's daughter. King Solomon was punished by God for facilitating his wives' worship of their gods in Israel and then worshipping alongside them. Samson married a Philistine. The book of Ezra tells the Jewish exiles to separate from the foreign wives they had married in Babylon. Moses' sister, Miriam, criticizes him for marrying a Cushite but is then cursed by God because of her criticism. The Laws of Manu, a religious document for the Indo-Aryan Brahmins invading India, speaks of how to keep oneself clean but also intermarry with the indigenous peoples in order to create a caste system. A Nepali anthropologist writes on how a Brahmin man might marry four wives of different castes, and keep all the eating and living quarters of his different caste wives and children separate. His children and grandchildren, born to women of lower castes, will have even lower status and not be taught the laws. The only social mobility is downward. A slightly different perspective of interracial or transnational marriage is from those who marry their cousins. They do so in order keep the family together socially and economically. Recently, this practice has become technically transnational due to differences in citizenship. An example of transnational marriage that kept the family together was among European royalty. Queen Victoria had grandchildren in many European states, connecting royal dynasties, and she was referred to as the "grandmother of Europe." However, some of the resulting alliances brought nations into the Great War (World War I) which otherwise could have retained neutrality. More recent examples derive from mass migration from the less developed regions of the world to the more developed regions, helped by the policies of family reunification. A fairly common practice among South Asian immigrants to the UK or USA is to have arranged marriages to someone back "home" in order to keep the culture and traditions within their family. Modern attitudes Today, there is a mixed reaction to transnational marriage in some areas, especially as it continues to spread. Family reunification policies have upset some people in host countries, as people are less likely to assimilate if they continue to marry people from their home countries, thus keeping