Complex sentence: Sharman (1993), p.35, to campaign worldwide against the practice of slavery, and was refounded in 1990 as "Anti-Slavery International" to draw attention to the continuing problem of slavery worldwide and campaign for its recognition and abolition in the countries most affected today.
Split into simpler sentences: Sharman (1993), p.35, to campaign worldwide against the practice of slavery. In 1990 it was refounded as "Anti-Slavery International" to draw attention to the continuing problem of slavery worldwide and campaign for its recognition and abolition in the countries most affected today.