The reason why support conservative control of government is: It would allow them to have better chances of increasing status/wealth in society.
When the nobles control the government, all land ownerships in the country is totally belong to the nobles which is why the peasants feel that there are no opportunities for them to increase their status. The conservative on the other hand, adopted a free market system and acknowledge private property.
The primary difference between Presidential and Congressional Reconstruction plans was that the presidential plan was far more progressive, while many in Congress wanted to punish the South.
The main way in which the railroads contributed to the end of the large buffalo herds was that "The railroad tracks were obstacles that the buffalo would not cross". It sounds silly, but the buffalo actually refused to cross the tracks for reasons that are still misunderstood.<span />