संज्ञानात्मक विकास (Cognitive development) में निम्नलिखित में से कौन सी आंतरिक प्रक्रियाएं या घटक महत्वपूर्ण भूमिका निभाते हैं?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?