It's not. The Age of Imperialism ran from about 1870 to 1960 or so, when various European countries decided that they had the right to divide among themselves other areas such as China and Africa.
The Age of Imperialism was the quest for colonial empires.
True, The end to European imperialism came about after the war.
jhgy
The Age of Exploration and the First Age of Imperialism.
The British!
Germany
Military, Political, & Humane
1850--1914
Canton
Western imperialism put Japan in a position where they were excluded from attaining the raw materials they required for economic progress.
Malaria