Explanation:
the US government might support the road because they might be able to use the railroads to transport materials for men at war or other materials the country might need.
A lumber producer in New Brunswick might support it because the railroad will require wood for the tracks. The lumber producer can profit from this because the railroad would need a large supply of lumber. They can also use it to transport the lumber.
They wanted to show that they had control over the territory where they set up blockades that isolated the West as act of strength on their part.
A, enslaved persons were too valuable for southern leaders to consider emancipation
Pork barrel is unnecessary, a project of congressman for their own districts. It is the politicians - senators and their constituents benefited the pork barrel. They include unconnected expenses into bills which are then passed at a higher cost to the people. These projects help them support their voter by feeding money from other projects back into their own district.
