From that list, the one that is <em>not </em>a responsibility of a Congressperson is C. working with the Supreme Court to interpret the laws they create. A Congressperson's main responsibility is relaying the concerns and casting votes of and for their respective district. The separation of powers means that members of Legislature need not be in direct contact with members of the Judicial branch.
B. Horses, because they Indians found out they no longer had to travel by foot!!
Answer:
Transcontinental Railroad workers
Mining
Farming
Explanation:
Transcontinental Railroad workers resulted in growth
Mining, copper, lead, tin, quartz, & zinc ultimately more profitable than gold or silver. Corporations gradually came to dominate mining
Farming, cattle raising, Land given away to encourage settlement of West and to develop the family farm.