Answer:
reforming taxes
Explanation:
One way in which the Progressives were successful in reforming the federal government through reformation of the federal government taxes.
This was successful, because in 1913, President Woodrow Wilson signed the Revenue Act bill into law which also included an income tax that taxed the wealthy citizens at a much higher rate than other citizens.
Factory workers belonged to the proletariat
Without the use of machinery many Americans will be employed to do various jobs. Their unemployment rate during that time will decrease. Another consideration is that there is a need for expertise in handling heavy machinery. One must be learned enough not only to drive heavy machinery but also to operate it and maintain its good condition.
A) A fort was established and many were killed by diseases
Lewis and Clark's expedition was not positive to the native of Mandan village the most devastating epidemic was the smallpox outbreak in the year 1837 killing a lot of people. The epidemic played an important factor in uniting the surviving Mandans and Hidatsa who later engaged in trade, farming and hunting.