American soldiers went to Somalia on a mission to feed and give supplies for the African people. However, during this mission, they were surprised when they got attacked by armed Africans. This made them lost some of their soldiers. The American people reacted when this had happened they asked their President for the soldiers to get home.
The blockade was supposed to prevent the South from getting resources and support from other countries who would support it such as those in Europe who were ready to recognize it as independent and help it if it meant that in the long run it would help them by weakening the Union.
The treaty was signed by Russia, Great Britain, and the US to no test anywhere especially the atmosphere water or under ground.
The correct answer is A!