What does the Protocols of the Elders of Zion claim about Jewish control, and how has the authenticity of this document been challenged?

The Protocols of the Elders of Zion claims to be a secret Jewish plan for world domination, and has been used to justify anti-Semitic beliefs. However, this document has been debunked as a forgery. Investigations reveal that it was plagiarized from earlier works and created to incite anti-Semitism, lacking any factual basis or authenticity.