Question

why should we study nationalism and what purpose does it serves? ​

Answer 1

Political elites would look after the interests of the common people rather than those of their dynasty. ... Nationalism allowed rulers to raise more taxes from the ruled and to count on their political loyalty. Perhaps most important, nation-states proved able to defeat empires on the battlefield.

The ideology of modern state is called nationalism. It is the most powerful object of contemporary politics. Nationalism was first practiced by Greeks who considered that non Greeks are inferior to Greeks. ... It is nationalism and it is due to Nationalism that people protect one another's interests and rights.

Answer 2

Explanation:

Political elites would look after the interests of the common people rather than those of their dynasty. ... Nationalism allowed rulers to raise more taxes from the ruled and to count on their political loyalty. Perhaps most important, nation-states proved able to defeat empires on the battlefield