Complex sentence: He eradicated piracy and transformed Singora into a prosperous, international port that attracted merchants from Europe and became the preferred destination in Siam for traders from India, Persia and Arabia.
Split into simpler sentences: He eradicated piracy and transformed Singora into a prosperous, international port. The sultanate attracted merchants from Europe and became the preferred destination in Siam for traders from India, Persia and Arabia.