Complex sentence: During its campaign, IRA volunteers killed military, police, judicial and prison personnel, including off-duty and retired members, and bombed locations in both Northern Ireland and England with the aim of making Northern Ireland ungovernable.
Split into simpler sentences: During its campaign, IRA volunteers killed military, police, and prison personnel, including off-duty and retired members, as well as members of the judiciary. The IRA bombed locations in both Northern Ireland and England with the aim of making Northern Ireland ungovernable.