In Islamic legal traditions, a husband can marry multiple wives under certain circumstances, but Muslim women are generally barred from marrying numerous husbands
The Roman Catholic Church considers the practice of polygamy to be an offense against the dignity of marriage and in opposition to the religion's moral values
The Hindu law books made provision for polygamy under special circumstances, not for the purpose of carnal pleasures, but for procreation and continuation of family lineage
Social movements around the acceptance and rights of LGBT or queer persons began as responses to centuries of persecution by church, state and medical authorities
The Catholic Church and Orthodox churches officially condemn homosexual activity as sin
Certain Christian denominations do not view monogamous same-sex relationships as sinful or immoral, and may bless such unions and consider them marriages
LGBT-affirming denominations regard homosexuality as a natural occurrence
The Catholic Church views as sinful any sexual act not related to procreation by a couple joined in marriage, but does not consider the homosexual tendency itself to be sinful
God made male and female to complete each other and to procreate
Homosexual practice is forbidden in the book of Leviticus
In some of Saint Paul's letters, he condemns homosexuality as "unrighteous" and claims that men who practice homosexuality will not inherit the Kingdom of God
There is much speculation that the Leviticus passage referring to "man lies with a male" may instead refer to man lying with a boy, rather than homosexuality
Pederasty in ancient Greece was a socially acknowledged romantic relationship between an older male (the erastes) and a younger male (the eromenos) usually in his teens
Scholars have tended to accept without question or doubt the assertions of ancient pederasts that their activities were beneficial to boys, that they were educating boys in the habits and ways of manhood and of citizenship
An ethical theory, created by Jeremy Bentham, that determines right from wrong by focusing on outcomes. It is a form of consequentialism. Utilitarianism holds that the most ethical choice is the one that will produce the greatest good for the greatest number- if an action causes more pleasure than suffering, then it is considered good
The Kamasutra affirms and recognises same-sex relations, and there are several Hindu temples which have carvings that depict both men and women engaging in homosexual acts
Same-sex relations and gender variance have been represented within Hinduism from the Vedic times through to the present day, in rituals, law books, religious or narrative mythologies, commentaries, paintings, and even sculptures
The Vedas frequently mention people who belong to a "third sex," which some readers have interpreted as a not-so-veiled reference to gays and lesbians in ancient society
The erotic Kama Sutra—not a sacred text but an instruction manual written sometime between the first and sixth centuries A.D.—further supports the contention that homosexuality was somewhat acceptable at one point; the book contains a lengthy section on homosexual fellatio
Homosexuality remains a taboo topic throughout much of India. Many Hindus frown upon gay and lesbian liaisons, in part because of the religion's emphasis on the sanctity of marriage and its strong disapproval of premarital sex
Before the 20th century it was believed that men and women belonged to different 'spheres'. They had separate roles or duties that were based on their gender