Read the passage carefully and answer the questions given below.
Nationalism is only a curse when it becomes narrow and fanatical Like so many other things available to man, say, religion, it can easily lead men astray. Nationalism can lead people into thinking only of themselves, of thcir own struggles. of their own misery. It can also cause a nation to become suspicious and fearful of its neighbours. to look upon itself as superior, and to become aggressive And it is when nationalism impels a state to become expansionist and seek domination aver others that it becomes a positive curse and harmful intemnationally.
Which of the following phrases most correctly suggests the central theme of the passage ?

Options

A. Nationalism and religion
B. Nationalism as an inspiration for development
C. Nationalism as a cause of war
D. Evils of narrow and aggressive nationalism