Answer: B. the spread of slavery into the West.
Explanation:
It was an established fact in the years leading up to the Civil War that the South was pro-slavery and the North was Anti-slavery and so both sides had arguments about the spread of slavery into the western territories as those territories gained statehood.
The South wanted slavery to spread into the territories so that they would have more states which would give slavery more representation in Congress and therefore keep the practice going. The North wanted the territories to be free for the same reason.
The answer would have to be lucy because its short for lusitania
The definition would be "the military doctrine that an enemy will be deterred from using nuclear weapons as long as he can be destroyed as a consequence"
source: https://www.vocabulary.com/dictionary/nuclear%20deterrence
It would be the 4th amendment. This is because the fourth amendment gives people the right against unreasonable search and seizures. This is where probable cause and the exclusionary rule come into effect!
Hope this helps! :)