Please place this assignment in a 8-10 slide powerpoint with pictures 1. Choose 3 ancient civilizations from history 2. Introduce the civilization in a paragraph 3. Describe in detail their economic system a. What did they trade b. Where are/or were they located c. Who did they trade with d. What trade route did they use e. Why did they trade MUST CITE AND LIST REFERENCES ON THE LAST SLIDE .