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The Great Migration was where many whites were going into war and that means they all had to leave their jobs. Which left a impact on citizens because a lot of blacks from down south came up due to all of the job opening's and they took the jobs while the whites were at war.

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Aviation was where a lot of big people were setting records up in the air there was Amelia Earhart who traveled the world flying which was a big record for the U.S. This affected the U.S. by bringing more attention to us by all of these records being set. That is for the future to decide if that was good for the U.S. or bad.

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The Assembly line is where there is a big group of people all doing one little step but in a line. This was good because it required little to no training. And it allowed for more people in need of a job to get one even though it takes no experience. And once people get good it is very efficient with one person getting faster and faster at their one job. This affected the U.S. by allowing more people to get jobs with little to no experience.

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Spectator sports are a big sporting event such as baseball, basketball, football etc.) And the reason these sports were added were due to the U.S. now being in a better financial situation and citizens having more money to be able to afford this. This impacted citizens in a good and bad way good is they got to experience pro sporting events bad is they had to pay and it could cause them to lose some money.

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Fads were like a trend it was a wave of people promoting and doing all kinds of exercises and dieting and activities all different to try new things because that was the wave and everyone was doing them so it felt necessary to try the new wave of stuff. This affected Americans in a good way because they were getting exercise and all sorts of activity and some healthy dieting.