Context: During the era of New Imperialism, the Western powers (and Japan) individually conquered almost all of Africa and parts of Asia. The new wave of imperialism reflected ongoing rivalries among the great powers, the economic desire for new resources and markets, and a "civilizing mission" ethos. Many of the colonies established during this era gained independence during the era of decolonization that followed World War II.

Question: what caused a new wave of european imperialism in the late 19th century?
Steam of consciousness below:
To answer this question, we should know that: The new wave of imperialism reflected ongoing rivalries among the great powers, the economic desire for new resources and markets, and a "civilizing mission" ethos.
So, the answer is ongoing rivalries among the great powers , the economic desire for new resources and markets , and a '' civilizing mission '' ethos.