You searched for: dare desu ka ( English - Japanese )
The definition of Imperialism according to google is a policy of extending a country's power and influence through diplomacy or military force. But a more thorough definition is this: Imperialism is the domination by one country of the political, economic, or cultural life of another country or region. - it's more than just military or government. The reason I wanted to clarify that is because old and new imperialisms happened in an attempt to dominate economically. Old imperialism happened in 1500s to early 1800s. Under Old Imperialism, European powers would build a series of trading stations in their attempt at accumulating wealth.
The qualifier new is to contrast with the first wave of European colonization from the 15th to early 19th centuries or imperialism in general. In the first wave of colonization, the European powers had conquered and colonized the Americas and established outposts in Asia and Africa. During the era of New Imperialism, the Western powers (and Japan) conquered much of Asia and almost all of Africa. 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.