81 of the 206 US-based trusts revealed in the Pandora Papers are based in this state, making it likely the US’s biggest tax haven. In 1979, governor “Wild Bill” Janklow forced through deregulation of credit rates to allow Citibank’s credit card division to move to this state’s largest city. Indigenous groups have protested the use of alcohol near this state’s sacred Bear Butte by participants in an annual event whose 2020 iteration may have been the US’s largest (*) Covid superspreader. This state is home to the world’s largest motorcycle rally in its town of Sturgis. To keep a claim on the land home to this state’s most famous tourist site, a $1 billion settlement has long been rejected by the Sioux. For 10 points, name this state home to Black Hills State University and Mount Rushmore. ■END■
ANSWER: South Dakota
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