Almost four decades after the U.S. government announced to the United nations that Puerto Rico had ceased to be a colony, Congress reconsidered the country's political status. In 1989, the 101st Congress initiated a legislative process that was designed to produce a bill to authorize a referendum on the political status of Puerto Rico.
Caban, Pedro, "Redefining Puerto Rico's Political Status" (1992). Latin American, Caribbean, and U.S. Latino Studies Faculty Scholarship. 29.