Nationalism can be both a cause and an effect of imperialism. Very often a people will react to imperialism with nationalism. For example look at Ho Chi Minh in Vietnam and how his nationalism was a result of French Imperialism, or Jomo Kenyatta in future Kenya and his reaction to British imperialism.
There are at least two ways to answer this question. On the one hand, we can say that nationalism in a powerful country can cause that country to move towards imperialism. On the other hand, we can say that imperialism can lead to nationalism in countries that have been taken over by imperial powers.
In powerful countries, nationalism can lead to imperialism. Nationalism can be defined as the idea that your country is superior to all others. If people feel nationalistic, they might start to want to prove that...
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