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Get educated about Puerto Rico's history

After the United States took possession of Puerto Rico when it won the Spanish-American war in 1898, it didn’t take them long to begin implementing exploitative laws and practices. Consider the economically stifling results of the Jones Act of 1920 (imports must still be delivered on U.S.-made ships, built on a U.S. shipyard and run by a U.S. crew), the dangerous contraceptive trials on unwitting women in the ’50s, the U.S. Navy testing (and contamination) in Vieques until 2003, and now the imposition of La Junta de Control Fiscal. The United States’ treatment of Puerto Rico is historically abusive—and has played a significant role in the island’s currently precarious position. That’s not to say that Puerto Rico’s own government doesn’t have its issues, because it certainly does, but recognizing the role of the U.S. in its perpetual downturn is important.
War Against All Puerto Ricans is a powerful tool in that effort. Nelson A. Dennis’ book relates the story of the National Party and its president, Pedro Albizu Campos, and the insurrection efforts in the ’50s, from the formative events before to the aftermath. On his website, there’s even more historical context and explanations of lesser-known (but crucial) events, as well as up-to-date analysis of what’s happening currently. Read up here.