Answer: However, the Transcontinental Railroad had a negative impact on the Plains Indians. They were forced to move away from the railroad despite it running through Indian Territory. The workers often killed buffalo for meat, and the track itself disrupted the Plains Indians buffalo hunting.
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hypothesis: Students will do better on their next test if motivated by candy.
experiment: Giving candy to one group of students but not giving the candy to another group of students so that they can act as the control group. Analyzing which group did better on the test
