A huge collection of states filed an antitrust lawsuit Wednesday accusing Facebook of suppressing its competition through monopolistic business practices. Forty-eight attorneys general across 46 states, the territory of Guam and the District of Columbia are behind the lawsuit, with only South Dakota, South Carolina, Alabama and Georgia declining to join.

The lawsuit, which looks at Facebook’s actions throughout the company’s history, alleges that the company bought competitors “illegally” and in a “predatory manner” in order to grow and preserve its market power. The suit cites Facebook’s acquisitions of Instagram and WhatsApp as prominent examples.

The collection of states asks the U.S. District Court for the District of Columbia to “restrain Facebook from making further acquisitions valued at or in excess of $10 million” without notifying the plaintiff states in advance. The lawsuit also asks the court for “any additional relief it determines is appropriate, including the divestiture or restructuring of illegally acquired companies, or current Facebook assets or business lines.”

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