international trade: glass from Canaan or Egypt; Silver from Anatolya; Copper from Cyprus (Alashiya); Horses from Mittani; Textiles from Babylonia; Olive Oil and Perfume from Greece; Ivory and Ebony from Africa; Incense from Arabia; Gold from Egypt;
Then suddenly the whole system collapsed because of drought which brought refugees the Sea people, and because of earthquakes and because of rebellions of the poor against the rich rulers.