Simplify the following text for a Grade 14 native English-speaking person.
Original: During this period , artists , engineers , scholars , poets , philosophers , geographers and traders in the Islamic world contributed to agriculture , the arts , economics , industry , law , literature , navigation , philosophy , sciences , sociology , and technology , both by preserving 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 . They built upon earlier traditions and added inventions and innovations of their own .