The state is the most important actor of international politics and sovereignty is its distinguishing trait.
B.
The state will always seek to ensure its survival in a perilous international environment.
C.
The state behaves morally and in accordance to what its population's values are.
D.
The state is the most important actor of international politics, sovereignty is its distinguishing trait and the state will always seek to ensure its survival in a perilous international environment.