The discovery of what resource, in 1874, in the Black Hills of South Dakota caused the U. S. government to break their treaty with the Dakota Sioux

How did regional differences in italy initially prevent unity in the new nation?

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

Why did china build the great wall of china?