Answer:
No they did not have an advanced economy.
Explanation:
The sumerians did have great wealth though because they moved to the Fertile Crescent which gave them farmland and they also had trade routes.
The Battle of Little Bighorn<span>. ... Of all the battles fought in the west, none is as famed as the </span>Battle of Little Bighorn<span>, an 1876 engagement between the 7th Regiment of the US Cavalry and the warriors of the Lakota Sioux, Northern Cheyenne, and Arapaho nations.</span>
Answer: WW11 was awful you should be ashamed of yourself.
Explanation: