How did ancient China begin to move away from bartering, or directly exchanging goods? Please hurry, thank you

Why were inventors essential or necessary for an industrial revolution to happen in america

The maps below show the middle east. which best explains how the green areas depicted in the image on the left are reflected in the population map on the right? populations are greater in fertile areas that are close to freshwater sources, which is why more people live near deserts. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near oceans. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near mountains. populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers. plz hurry in test only have 34 mins left

How did tyrants attempt to gain the approval of common citizens in ancient greece?