Which era spanned from 600 b. c.e. to 600 c. e.? a. the contemporary era b. the classical era c. the modern era d. the intermediate era

The classical era was during that time :)

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

d. the right to establish a one-house legislature