With the rising influence оf the billiоnаire clаss in the United Stаtes- including Trump's "tech brоs," Elon Musk, Jeff Bezos, Mark Zuckerberg--some cultural critics and politicians are arguing the U.S. is rapidly becoming less like a democracy and more like an oligarchy. Rothenberg author Mike Parenti uses a related term, ______, that refers rule by and for the rich and arguably could also describe where the U.S. is or is headed.