Complex sentence: Although the hunters were pleased with the restocking, the farmers began experiencing trouble with deer eating their crops, so Flyger developed a method he had learned in the Army during WWII to scare off the deer by setting up strings of M80s, which proved very effective.
Split into simpler sentences: Although the hunters were pleased with the restocking, the farmers began experiencing trouble with deer eating their crops. Flyger then developed a method he had learned in the Army during WWII to scare off the deer by setting up strings of M80s, which proved very effective.