Answer:
Other Populist-endorsed measures included bimetallism, a graduated income tax, direct election of Senators, a shorter workweek, and the establishment of a postal savings system. These measures were collectively designed to curb the influence of corporate and financial interests and empower small farmers and laborers.
The answer is A. It distributes power among three branches of government
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.
This is of course impossible to tell, but most agree that if the Articles of Confederation hadn't been replaced by the more powerful Constitution, the federal government wouldn't have had the power to tax the states and therefore wouldn't have been able to re-pay its war debt--causing the new nation to crumble.