This document discusses the history and current status of arbitration agreements and class action waivers in the United States. It notes that while courts were initially reluctant to enforce arbitration agreements under the Federal Arbitration Act, the Supreme Court now strongly embraces arbitration. Key Supreme Court cases like Stolt-Nielsen, AT&T Mobility v. Concepcion, and others have upheld the enforceability of class action waivers in arbitration agreements and preempted certain state laws restricting them. However, courts still vary in how they apply these rulings, with some still finding ways to invalidate arbitration agreements as unconscionable in certain situations. Ongoing debates include the impact of the Consumer Financial Protection Bureau and whether class waivers