1. Afghanistan-The Crossroads of History
... into provinces. Each province was head by a satrap. A satrap may have ruled over what is today Afghanistan. Under his rule, Darius set up a common set of weights and measures to improve trade. He encouraged the use of coins, which replaced the barter economy with the exchange of money. By ... advances in mathematics and the sciences, and the Hippocratic oath, which set ethical standards for doctors. From 141 B.C. to 87 B.C., the most famous Han Emperor, Wudi, took China to new heights. During his reign, he strengthened the government and economy. His most noted achievement was the estab...
- Word Count: 859
- Approx Pages: 3
- Grade Level: High School