The spread of nationalism led to which general outcome during the 20th century? O A. The world's economy became much more interconnected. B. Many new independent countries were established. C. Countries began to protect international civil rights. D. European states established worldwide colonial empires.

D. European states established worldwide colonial empires.

Explanation:

The establishment of colonies by European countries led to the strengthening of nationalism primarily among Europeans. France and Britain were the world's leading and European colonial powers. On the other hand, Germany and Austro - Hungary emphasized the greed of France and Britain in the context of colonization. France and Britain did not pay attention to the aspirations of Germany and Austro-Hungary. Under such circumstances, tensions grew between opposing blocs, leading to a strengthening of militant nationalism.

cuba is a multi-ethnic nation