This site explains that the African people resisted against the slave trade and colonist encroachment for centuries. When world war 2 ended the independent Africa states were Egypt and Liberia and reconstitution state of Ethiopia.
Bob Maier talks about political, social and economical consequences in Imperialism. How when the Europeans took over Africa and didn't give them a say and how they changed it.
This site states how the Europeans traded with Africa. They traded manufactured goods for gold, ivory, and palm oil used for soaps and candles. In the later half of the 19th century the Europeans began to explore Africa's interior and by 1914 the entire continent was colonized. Livingstone and Stanley became interested in Africa and so did Imperialists. The Berlin Conference allowed European diplomats draw lines on maps and carve Africa in colonies.
The presentation by Cera Vu, Ben Fick, And Kyle Patino state that there is indeed Imperialism in 'Avatar'. They give an example of the destruction of the 'home tree' which is like how larger, more dominating countries invade for natural resources and cheap labor for money just like the Europeans. "It's hard to fill a cup that is already full." Mo'At , she knew that the humans think they are better and more powerful because if their 'intelligence' and machines.