Huge fast-food chain wants to close dozens of its own restaurants
The company has gone to war with a major franchisee.

If someone asked you to name the top fast-food hamburger chains, the list might look something like this:
McDonald's, Burger King. Wendy's, Five Guys. Shake Shack, In-and-Out Burger, Whataburger, Carl's Junior, Culver's, Sonic, The Habit Burger Grill, and maybe Johnny Rockets.
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You can debate the order and whether a chain like Culver's is primarily a burger chain, and you may argue that other chains should be on the list. One of those chains, Hardee's, falls on the "is that truly a burger chain" list, and many people may not realize how big the chain actually is.
On the first point — charbroiled burgers are the key menu item for the chain. For the second, Hardee's may not equal McDonald's, Burger King, or Wendy's, but it still has a massive national and international footprint.