The Sioux Native American Tribe! Hope this helped!
Generally speaking, the chief executive is a member of the legislative branch in a "unitary form of government", since in this government there is only a single governing body.
Not sure if this is an answer choice but it would be Signal
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<span>Alvar Nunez Cabeza de Vaca was a Spanish explorer who sailed to North America from Spain, leaving in 1527. ... Narvaez did not survive. ... He explored along the Paraguay River</span>