Complex sentence: His constituent service and efforts to remain in contact with his changing district allowed him to survive politically as his district changed to become over 75% Hispanic, despite a number of challenges, two failed recall efforts, and lawsuits by Snyder against contenders.
Split into simpler sentences: His constituent service and efforts to remain in contact with his changing district allowed him to survive politically as his district changed to become over 75% Hispanic. He survived challenges, two failed recall elections, and lawsuits by Snyder against contenders.