Question: how did nationalism affect european politics in the 19th century

title: Rise of nationalism in Europe
text: Nationalism is the ideological basis for the development of the modern nation - state . According to Leon Baradat , nationalism `` calls on people to identify with the interests of their national group and to support the creation of a state - a nation - state - to support those interests . '' It was an important factor in the development of Europe . In the 19th century , a wave of romantic nationalism swept the European continent , transforming its countries . Some newly formed countries , such as Germany and Italy were formed by uniting various regional states with a common `` national identity '' . Others , such as Greece , Serbia , Poland , Romania and Bulgaria , were formed by uprisings against the Ottoman Empire and Russia . Nationalism was the ideological impetus that , over the century , transformed Europe . Rule by monarchies and foreign control of territory was replaced by self - determination and newly formed national governments . Storming 

Answer: answer: In the 19th century, a wave of romantic nationalism swept the European continent, transforming its countries. Germany and Italy were formed by uniting various regional states with a common national identity. Others, such as Greece, Serbia, Poland, Romania and Bulgaria, were formed by uprisings against the Ottoman Empire and Russia.