During the 1930's the leaders of Japan, Germany, and Italy made war more likely by

A) engaging in submarine warfare.

B) refusing to join the League of Nations.

C) required that the losing nations in W. W. I pay reparations.

D) using nationalism to establish warlike attitudes among their populations.

During the 1930s, the leaders of Japan, Germany, and Italy made war more likely by using nationalism to establish warlike attitudes among their populations - D.

These nations managed to make a very uneasy atmosphere around the world because of their general attitude on how they wanted for the world to be run.

Correct answer choice is:

D) using nationalism to establish warlike attitudes among their populations.

Explanation:

Nationalism, ideology supported the argument that the people's faith and enthusiasm for the nation-state overshadow alternative individual or cluster concerns. The political growth of nationalism and therefore the push for well-liked freedom climaxed with the ethnic/national insurgences of Europe. During the nineteenth century nationalism became one in all the foremost important political and social forces in history; it's usually listed among the highest causes of warfare I.