Read the following scenario and answer the question below A band of foreign revolutionaries has attacked a U.S border town. Which governmental entity has the obligation to respond to this incident?

A. The public, because it has a legal obligation to protect civilians.

B. The local police, because they have a legal obligation to defend the town.

C. The state, because it has a constitutional obligation to protect its citizens.

D. The federal government, because it has a constitutional obligation to defend the country.