Which pair of ancient civilizations were ruled by dynasties?

In order to determine the distance between two cities on a map, which map feature would a student have to use?

Sea exploration became important during the late middle ages because europeans most likely wanted to

Examine this list of events that took place in china during the 20th century. which event or events could possibly have been a cause of the great leap forward? a. i only b. i, iii, and iv c. i and iii d. iii and iv