Mention any one reason for the rise of Assertive Nationalism. Why did the educated Indians turn against the British?

One reason for the rise of Assertive Nationalism was the recognition of the true nature of the British Rule. The Assertive Nationalists felt that the British rule was responsible for the economic ruin of India and her growing poverty.

The educated Indians turned against the British because a large number of educated Indians were employed in the administration on low salaries, while many others faced unemployment. Their grievances made them look critically at the nature of the British rule. These educated low paid or unemployed Indians became the followers of Assertive Nationalism.