Why are the centuries of tang and song dynasties in china sometimes referred to as a golden age?

Which of the following scenarios illustrates the cultural impact of expanded regional trade for postclassical civilizations? o a. the byzantine empire rises in place of the roman empire. o b. an islamic scholar attends a university in his hometown. o c. internal disputes weaken a large african empire. o d. an arabian sultan wears a robe made from chinese silk.

What are the similarities and differences between byzantine empire and kiev russia

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?