It would be the job of the "c. the president of the United States" to uphold the supremacy clause of the United States Constitution, since this ensures the power of the federal government over the states.
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<span>The first workers' associations of the 19th century aimed to improve working conditions. Letter c)
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Answer:
Many Americans left farms and headed to the cities because the industrial revolution opened up many jobs in the cities. Also, the industrial revolution created more farm technology that allowed farmers to do the day's work with fewer people. This led to mass unemployment and peoples' dispersal into cities. This also caused cities to grow.
