Answer:
A
Explanation:
The books are typically written some time after the event actually happens while Journals Interviews and Pictures are all things that happen at the moment of the event.
Hope that helps
A national border would most likely have the most protection because nation's seek to prevent the import of illegal goods, movement of individuals into the country, and also to protect their borders against potential foreign invasion. Traditionally national borders would have more defenses, army, security forces, and police to protect the border than any of the rest of these borders.
:)
A polygon because it is closed.
Fact check me before making it your final answer but I'm 75% sure its 1
