<span>Lincoln was threatened by Maryland dues to its close proximity to Washington DC.
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<span>Agriculture was key to the development of modern "civilization" because by being able to grow food rather than getting it through trade or hunting, people were able to stay in one place instead of having to be where the food was. This also led to jobs because people became highly skilled in growing crops.</span>
Farmers is the answer you are looking for!
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xo ♥ -Cote
<span>go to https://en.wikipedia.org/wiki/Yuan_Shikai
and it will tell you everything about him
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Charlemagne restored him and protected him from being driven out again
hope this helps
