Which of the following terms includes the other three? military policy, foreign policy, diplomacy, trade policy

 FOREIGN POLICY

Explanation:  Foreign policy refers to a nation's policies and interactions in dealing with other nations.  That will include matters of military defense against opponents as well as military alliances with like-minded nations.  Foreign policy also will include diplomacy, as ambassadors and political leaders negotiate their concerns with one another.  Foreign policy also will  include trade relationships between the nation and foreign countries, whether that be trade agreements or tariffs imposed against other countries' imports.

greenland

c tundra

iceland is grassland