What economic system was used by both the ancient Egyptians and ancient Mesopotamians, and made it easier for them to trade with each other? barter system system of taxation command economy gold-based currency

Question 1(multiple choice worth 5 points) the yalta conference failed to achieve which outcome? germany would be divided into zones of occupation. stalin would support the effort to create the united nations. stalin would join the war against japan after germany's defeat. german zones of occupation would have free elections.

Will have the greatest effect on human health. pollution in the a. troposphere b. stratosphere mesosphere d. thermosphere

What spanish colony gained its independence in part due to the efforts and sacrfice of a village priest named father hidalgo? a. argentina b. venezuela c. mexico d. peru answer asap