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"): He also founded the Black Star Line, a shipping and passenger line which promoted the return of the African diaspora to their ancestral lands.
Relevant evidence: No