Complex sentence: Church arson continued to be a problem in the South in the early 1990s among African American churches with the culprits generally being young, white males with racism as their driving force and being under the influence of drugs and alcohol.
Split into simpler sentences: Church arson continued to be a problem in the southern United States in the early 1990s for African American churches. The culprits were generally young, white males with racism as their driving force, and were often under the influence of drugs and alcohol.