Original: During this period, artists, engineers, scholars, poets, philosophers, geographers and traders in the Islamic world contributed to the arts, agriculture, economics, industry, law, literature, navigation, philosophy, sciences, sociology, and technology, both by preserving and building upon earlier traditions and by adding inventions and innovations of their own.
Simplified: This period was called Golden Age, because engineers, scholars and traders in the Islamic world did much for the arts, agriculture, economics, industry, law, literature, navigation, philosophy, sciences, and technology in this time.