Nationalism and Imperialism

Nationalism: It is a political ideology characterized by the promotion of the interest of a particular Nation and allegiance to Nations. It aims to gain and maintain  sovereignty.

Imperialism : It is an ideology underwhich a strong Nation rules over Weak Nations.

Balkan Region

Balkan Tension [Factors/Reasons]

Nationalism

[Note: The above points are applicable for the reasons of nationalists tensions after 1871 and struggle of Slav nationalities] 

Imperialism