Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Deities in this religion, which include conjoined twins known as the Marassa, are divided into 21 nations, including Rada and Petwo. Among its clergy are magicians-for-hire called bokors, priests called houngans, and priestesses called mambos. Members of this religion pray to saint-like spirits such as Papa Legba who are known as loa, intermediaries between humans and the supreme god Bondye. For 10 points, name this syncretic Haitian religion whose actual religious practices typically don't involve raising zombies or sticking pins into dolls.
Social Science