What economic system was used by both the ancient Egyptians and ancient Mesopotamians, and made it easier for them to trade with each other?

the answer is barter system

Explanation:i took the test

so the answer is A dont come at me if its wrong but i just took the test and i got all the questions right s dont come in my dm's wit that

ya i know i wanna was a good night i wanna was a good night i love y’all bye is your address again call tomorrow morning i love ya bye hi hi i’m going crazy about going to the school and i don’t know if y’all want me or not going tomorrow and i’ll tell you what i’m doing and i’ll y’all with this i’m gonna was a really bad thing to say i don’t think i can but i’ll give ya my friend tomorrow night i love you and y’all so i don’t have a lot to say about you haha is this what time you should be home and i’ll give ya my number so i’m sorry i’ll call y’all bye love ya hey

well to answer ur question to be completly honest