How did the federal government encourage railroad companies to construct railroads?

In italy, the distance between milan in the north and palermo,sicily, in the south is about 550 miles. in the united states, the distance betweenboston, massachusetts, and savannah, georgia, is about 900 miles. do you think the american revolutionaries of 1776 in the 13 colonies faced some of the same challenges as the patriots who struggled for italian unity in the 1860s?  

When u make a choice the experience from what would have been your second option is called

Jane determines x = 4 and y = 1 is the solution to the following system of equations.