Complex sentence: The city is an incorporated entity of the state of Wyoming, on land ceded from the reservation in 1906, a situation that often makes it subject to jurisdictional claims by the nearby Eastern Shoshone and Northern Arapaho tribes.
Split into simpler sentences: The city is an incorporated entity of the state of Wyoming. The town was built on land ceded from the reservation in 1906, a situation that often makes it subject to jurisdictional claims by the nearby Eastern Shoshone and Northern Arapaho tribes.