Which of the following describes an important achievement of China's Han dynasty during the classical era? A. The expansion of trade routes connecting Asia with other continents B. The conquest of ne

Which of the following describes an important achievement of China's Han dynasty during the classical era?

A. The expansion of trade routes connecting Asia with other continents

B. The conquest of nearly all of Asia, including Korea and Japan

C. The creation of the world's earliest written language, cuneiform

D. The establishment of the mandate of heaven governing philosophy