Answer:the territoriality principle.
Explanation: The territoriality principle holds that a state has jurisdiction over all acts, whether criminal or not, committed on its territory and over everyone located on the territory of that state.
James Watson and Francis Crick
I think this is the answer .
C) the Indian Ocean as it is the best answer from the ones provided
The significance of the Battle of Gettysburg was that it marked the last time Confederate troops were able to invade the North.