How were the countries of Europe and Asia affected by the
spread of German and Japanese imperial power?

Countries in Europe suffered economically and in terms of losing land and civilians. Countries in Asia suffered mass killings en masse during the wars '' of Nanjing'' and Pearl Harbor which was devastating to the US Navy

Explanation:

As Germany broke away from the Treaty of Versailles they demanded that the allies give them Danzig, but they refused. So Germany declared war on Poland, and the allies on Germany. The Axis powers expanded all over Europe and took colonies in Africa and was also at this time now gathering the ''less perfect races'' into concentration camps. Japan also began expanding and staged a border incident in China to begin a war, and also attacked pearl harbor and was a massive threat to the British Raj

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

i think it is the byzantine empire