Which of the Following Statements Are Realists Likely to Make

Which of the following statements are realists likely to make about environmental issues and the future?

A) International security is being redefined. The new dangers to states and societies come not from other states and societies, or from their armies, but from environmental degradation that threatens all states.
B) Environmental threats will make all states allies against these common enemies.
C) Climate change can be prevented only through measures that have effects across all countries.
D) Environmental issues may intensify conflict between states but will not reduce the role of traditional power in international politics.