दिए गए विकल्पों में से उस शब्द खंड का चयन करें जो रेखांकित शब्द खंड को सही ढंग से प्रतिस्थापित करता है और वाक्य को अर्थपूर्ण बनाता है: Each of the participants were given a certificate.

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?