Answer:
Adversely affected diplomacy.
Explanation:
Militarism refers to a believe in which a country or state should have strong military in order to defend the country and its people and fight for the interest of the country. Militarism adversely affected the art of diplomacy in solving disputes because the countries having strong militaries solved their disputes through war instead of diplomacy. The first world war is also started due to this concept of militarism and many other reasons which cause destruction in the whole world.
