For thousands of years, marriage was a business transaction between two families. Fathers chose husbands for their daughters to build power, wealth, and social status. Rules about acceptable spouses were strict. Interfaith and interracial marriages were often forbidden. Over the centuries, laws and traditions governing marriage have changed dramatically. In the United States, interfaith and interracial marriages are common. Same-sex marriages are legal there and in many nations. In some places, however, centuries-old customs are still firmly in place. Modern matrimony has its ugly sides, such as rape, forced marriages, and bitter divorces. Learn about the good and the bad, with people from around the world discussing the complexities and the joys of marriage.