You can talk about the boarder crisis along the Estonian boarder and Russian boarder. The is called a crisis because there is a tradition steeped kingdom called the Seto caught directly in the middle of it(their kingdom is split half and half).
"<span>Slavery was abolished in the United States" has nothing to do with the Dredd Scott case, which instead said that blacks had no standing in court because they were not citizens. </span>
Option A, it allowed for government to enforce laws and settle disputes is the right answer.
The colonies of the United States did not want to have a strong centralized government, because they did not want the government to become a tyranny. Hence, they did not even provide the national government with some very significant powers such as the power of issuing money, imposing taxes, enforcing laws etc.
Constitution fixed this problem by giving more power to the Federal government. The new government adopted the system of checks and Balances.This system was developed by the framers of the constitution to prevent the actions of the other branches from becoming powerful. Hence, all the three branches ( the Legislative, the Executive and the Judicially) of the system are induced to share power.
On June 12, 1812, the United States declared war on Great as a result of numerous disputes between the two countries. Hope this helps