Racist policies tend to delegitimize the ideals and purposes of the government, since they pose a factual situation in which the rights and guarantees that citizens have as subjects of law in the nation are recognized to a lesser extent due to their racial, ethnic or national identity.
Thus, the institutional racism of governments casts doubt on the goodwill and integrationism that should be on any public servant's agenda today. Every politician or official who carries out racist policies loses credibility in his objectives related to the common good, as he does not seek a benefit for the whole society but directly or indirectly excludes a part of it.
I believe the answer is A but i could be wrong, during the Civil war it made it easier for them to speak and talk to each other during that time sending goods and messages across the united states.
The general consensus amongst historians is that the balance between Federal and State powers was done to appease those who were afraid that too strong of a federal government would be no different than the monarchy that the colonists were overthrowing.