Answer:
pretty sure its geography
The correct answer are the Barrier Islands.
Nationalism was a great cause of World War one because of countries being greedy and not negotiating. Nationalism shows you are proud of your country and want it to be the best. A lot of causes all linked back to countries all wanted to be better than each other.
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.