In avatar the government wanted the Na´vis to be allies to them and in exchange they would give them whatever they wanted, but the Na´vis refused to be allies withe them because they didn´t need anything the government had to offer. The Na´vis only needed their sacred tree.
Europe wanted more land, resources, have control of the people in Africa and more power.
This movie demonstrates a similarity to the age of European imperialism of when Europeans tried to take away the natives land.
The Age of Imperialism began in about the 1870s and ended with World War I. It explains what happened during the age of European Imperialism, what were the causes of the Europeans wanting to take the natives land.