Question: The People's Political Party, (PPP) was Jamaica's first modern political party, formed in September 1929 by Marcus Mosiah Garvey Jr., was a proponent of Black nationalism in Jamaica and especially which location?
Sentence (from "Marcus Garvey"): Marcus Mosiah Garvey Jr., ONH (17 August 188710 June 1940), was a proponent of Black nationalism in Jamaica and especially the United States.
Relevant evidence: Yes