Complex sentence: The Club included notable figures important to the early development of Omaha, and was disbanded after a ruling against their violent methods by the U.S. Supreme Court in 1860 resulting from the trial of "Baker v. Morton".
Split into simpler sentences: The Club included notable figures important to the early development of Omaha. It was disbanded after a ruling against their violent methods by the U.S. Supreme Court in 1860 in "Baker v. Morton".