What is unique about the development of the nile river compared to the development of mesopotamia?

 Egyptian civilization, formed by 3000 B.C., benefited from trade andtechnological influence from Mesopotamia, but it produced a quite different society and culture. Because its values and its tightly knit political organization encouraged monumental building, we know more about Egypt than about Mesopotamia, even though the latter was in most respects more important and richer in subsequent heritage.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

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