Art, math, science, maybe psychology
Answer:
Before things like mountains were typically boundaries since they were a pain in the butt to cross. But with modern planes, and depending on the mountian, cars, mountains aren't as big a pain anymore. Deserts might have also been a boundary before. Today you turn on the AC and drive straight across it. At least for technologically advanced western countries, there really isn't any geographic feature we can't easily get around.
Answer:
The Populist Party emerged in the early 1890s as an important force in the Southern and Western United States, but collapsed after it nominated Democrat William Jennings Bryan in the 1896 United States presidential election. ... In the 1892 presidential election, the Populist ticket of James B. Weaver and James G.
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