• Preserved Hindu traditions
• Produced fine poems and drama
• Made advances in mathematics, science, and
medicine
These achievements refer to contributions of the
(1) Gupta Empire (3) Greek city-states
(2) Persian Empire (4) Tang dynasty

Respuesta :

These achievements refer to contributions of the "Persian Empire" but it should be noted that all of these civilizations have made contributes in these fields at some point. 
ACCESS MORE