Question

what is nationalism and imperialism?

Answer 1

The relationship between imperialismand nationalism has often been portrayed by theorists of nationalismand post colonial discourse theorists as antagonistic. Anti-democratic, aggressive empires impose their will on subject peoples who, in response, form nationalist movements in opposition to this imperialism.

Answer 2

Hey friend Ur answer is

NATIONALISM -
Nationalism is a political, social and economic system characterized by the promotion of the interests of a particular nation, especially with the aim of gaining and maintaining sovereignty (self-governance) over the homeland. 

IMPERIALISM-
Imperialism is a policy that involves a nation extending its power by the acquisition of lands by purchase, diplomacy or military force.

Hope it will help you friend