Complex sentence: In June 1863, Hines led an invasion into Indiana with 25 Confederates posing as a Union unit in pursuit of AWOL deserters to see if the local Copperheads would support the invasion John Hunt Morgan planned for July of 1863.
Split into simpler sentences: In June 1863, Hines led an invasion into Indiana with 25 Confederates posing as a Union unit in pursuit of AWOL deserters. Their goal was to see if the local Copperheads would support the invasion John Hunt Morgan planned for July of 1863.