The main reasons for America's economic boom in the 1920s were technological progress which led to the mass production of goods, the electrification of America, new mass marketing techniques, the availability of cheap credit and increased employment which, in turn, created a huge amount of consumers.
Robot and computerized technology useful benefits industrial working
This depends entirely on the federal position in question, but an example of an analogous position would the position of the state legislature as contrasted with the Congress.
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Image result for what native american tribe was part of the first thanksgiving
As was the custom in England, the Pilgrims celebrated their harvest with a festival. The 50 remaining colonists and roughly 90 Wampanoag tribesmen attended the "First Thanksgiving.