Question: what does Sodomy and Anal sex have in common?

Context articles: Anilingus
Sodomy
Bowers v. Hardwick
Franklin v. State
Section 377
Islamic views on anal sex
Anal sex
Doggy style
Alcibiades the Schoolboy
Sodomy law

Anilingus (from the Latin "anus" + "-lingus", from "lingere", "to lick", variantly spelled "analingus",) is the oral and anal sex act in which a person stimulates the anus of another by using the mouth, including lips, tongue, or teeth.
 It is also called anal–oral contact and anal–oral sex; colloquial names include rimming and rim job.
 It may be performed by and on persons of any sexual orientation for pleasure or as a form of erotic humiliation.
Sodomy ( ) is generally anal or oral sex between people or sexual activity between a person and a non-human animal (bestiality), but it may also mean any non-procreative sexual activity.
 Originally, the term "sodomy", which is derived from the story of Sodom and Gomorrah in the Book of Genesis, was commonly restricted to anal sex.
 Sodomy laws in many countries criminalized the aforementioned behaviors.
 In the Western world, many of these laws have been overturned or are not routinely enforced.
Bowers v. Hardwick, 478 U.S. 186 (1986) , is a United States Supreme Court decision, overturned in 2003, that upheld, in a 5–4 ruling, the constitutionality of a Georgia sodomy law criminalizing oral and anal sex in private between consenting adults, in this case with respect to homosexual sodomy, though the law did not differentiate between homosexual sodomy and heterosexual sodomy.
Franklin v. State, (Fla. 1971), was a case in which the Florida Supreme Court struck down Florida's sodomy law as being "unconstitutional for vagueness and uncertainty in its language, violating constitutional due process to the defendants."
 The court retained the state's prohibition on sodomy by ruling that anal and oral sex could still be prosecuted under the lesser charge of "unnatural and lascivious" conduct, thus reducing the crime from a felony to a misdemeanor.
Section 377 of the penal code in 42 former British colonies criminalizes anal sex between men and other homosexual acts.
 The provision was introduced by British colonial authorities in the British Raj as section 377 of the Indian Penal Code, and was used as the model for sodomy laws in many other British colonies, in many cases with the same section number.
Anal sex (or sodomy) in Islam is anal intercourse between individuals of the opposite or same sex
Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure.
 Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus (anilingus), and pegging.
 Although the term "anal sex" most commonly means penile-anal penetration, sources sometimes use the term "anal intercourse" to refer exclusively to penile-anal penetration, and "anal sex" to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation.
Doggy style, also spelled doggie style, is a sex position in which a person bends over, crouches on all fours (usually on hands and knees), or lies on their abdomen, for sexual intercourse, other forms of sexual penetration or other sexual activity.
 Doggy style sex is a form of a rear-entry position, others being with the receiving partner lying on the side in the spoons sex position or the reverse cowgirl sex position.
 Non-penetrative sex in this position may also be regarded as doggy style sex.
 Between sex partners, the person in the doggy style position is passive, while the other partner is active.
 Either partner may be the dominant partner or the submissive partner.
 The passive partner is open to a variety of sexual activities, with the active partner being able to penetrate the vagina, the anus during anal sex, or being in a position to perform oral sex (cunnilingus, fellatio or anilingus).
Alcibiades the Schoolboy ("L'Alcibiade, fanciullo a scola"), an Italian dialogue published anonymously in 1652, is a defense of homosexual sodomy (anal sex) loosely styled after Platonic dialogue.
 Set in ancient Athens, the teacher is modelled on Socrates, who so desperately wants to consummate the relationship he has with Alcibiades, one of his students, that he uses all tactics of rhetoric and sophistry at his disposal.
 He argues that Nature gave us sexual organs for our own pleasure, and that it would insult her to use them otherwise, citing examples from Greek mythology and culture, as well as refuting counterarguments based on the Sodom and Gomorrah story.
 It is "a tour de force of pederastic fantasy and one of the frankest and most explicit texts on the subject to have been written before the twentieth century."
 It has been called "the first homosexual novel".
A sodomy law is a law that defines certain sexual acts as crimes.
 The precise sexual acts meant by the term "sodomy" are rarely spelled out in the law, but are typically understood by courts to include any sexual act deemed to be "unnatural" or immoral.
 Sodomy typically includes anal sex, oral sex and bestiality.
 In practice, sodomy laws have rarely been enforced against heterosexual couples.