Complex sentence: Political Research Associates (PRA) (formerly Midwest Research, Chicago, 1981-1987) is a non-profit research group located in Somerville, Massachusetts, which studies the U.S. political right wing, as well as white supremacists, anti-Semitic groups, and paramilitary organizations.
Split into simpler sentences: Political Research Associates (PRA) (formerly Midwest Research, Chicago, 1981-1987) is a non-profit research group located in Somerville, Massachusetts. PRA studies the U.S. political right wing, as well as white supremacists, anti-Semitic groups, and paramilitary organizations.