Answer:Britan, France and Spain owned the land west of cumberland gap
Explanation:
They need the warrant so that the citizen is sure that they are police, and because without one, it would technically be trespassing.
The alliance system in Europe basically was if one country went to war, all of the other countries in that alliance would back up their buddy and go to war as well. This is what happened when Archduke Franz Ferdinand was assassinated and Austria-Hungary was arguing with Bosnia and each of their alliances go pulled in with them too.