Complex sentence: Prison officers, known as warders in the 19th century, guarded against escapes, enforced discipline, oversaw prisoner work, and instructed inmates in trades, with stringent working conditions until they achieved representation through the Western Australian Prison Officers Union.
Split into simpler sentences: Prison officers, known as warders in the 19th century, guarded against escapes, enforced discipline, oversaw prisoner work, and instructed inmates in trades. Officers worked under stringent conditions until they achieved representation through the Western Australian Prison Officers Union.