Answer:
Matels like Gold and Silver
Explanation:
The Sumerians were well known for their metalwork, a craft at which they were excellent. Most of the trading done in Ur (Sumerian city-state) as importing happened here. Imported goods hold valuable metals and semi-precious stones such as gold, silver, carnelian and lapis lazuli. Gold maintained for religious functions as well as in serving as personal ornaments, weapons etc.
I. Alexander attacked Anatolia.
ii. Alexander invaded Egypt.
iii. Alexander conquered Persia.
<span>iv. Alexander returned to Babylon.</span>
Prices effectively act as signals to producers and consumers in all of the following instances except A. Regulating government interactions..