Hello koi h kya yha please answer me​

What is an attack against a country called?

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

The platt amendment was a treaty that allowed the united states to build military bases in which country?