Complex sentence: Early in the American Revolutionary War, Buckongahelas broke away from the neutral and pro-American Delawares led by White Eyes, and established a town near the war leader Blue Jacket of the Shawnee.
Split into simpler sentences: Early in the American Revolutionary War, Buckongahelas broke away from the neutral and pro-American Lenape led by White Eyes. He established a town near the war leader Blue Jacket of the Shawnee.