Final answer:
ADL refers to the Anti-Defamation League, a leading Jewish civil rights organization founded in 1913 after a Jewish man was lynched in Atlanta. It works to combat anti-Semitism and bigotry.
Step-by-step explanation:
The term ADL stands for the Anti-Defamation League, which is a prominent Jewish civil rights organization in the United States. Founded in 1913, the ADL's inception was a response to the racial prejudice and violence faced by Jewish communities, particularly highlighted by the lynching of a Jewish American man in Atlanta. The ADL has since been committed to fighting anti-Semitism and all forms of bigotry, defending democratic ideals, and protecting civil rights for all.