Imperialism n. : The power or character of an emperor; imperial authority; the spirit of empire.

Example:
How is Imperialism good for the Africans in the 1800's?

Taxonomy
Imperialism, Empire, free encyclopedia, the Ottoman Empire, the British Empire, historians, country, British Empire, Chinese, Penguin Books, E. J. Hobsbawm, British Imperialism 1750-1970, British, French Empire, the Russian, the Chinese, Chinese Empire, Islam.

Defination from the web:
Imperialism is found in the ancient histories of the Assyrian Empire, Chinese Empire, Roman Empire, Greece, the Persian Empire, and the Ottoman ... Imperialism not only describes colonial, territorial policies, but also economic and/or military dominance and influence. ...