Complex sentence: Wahpeton Oyate (formerly Sisseton-Wahpeton Sioux Tribe/Dakota Nation) are two combined bands and two sub-divisions of the "Isanti" or Santee Dakota people located on the Lake Traverse Reservation in northeast South Dakota.
Split into simpler sentences: Wahpeton Oyate (formerly Sisseton-Wahpeton Sioux Tribe/Dakota Nation) are two combined bands and two sub-divisions of the "Isanti" or Santee Dakota people. They are located on the Lake Traverse Reservation in northeast South Dakota.