He wrote biographies of Mazzini, Garibaldi, Shivaji and Shrikrishna; stayed in America for some time; and was also elected to the Central Assembly. He was

Lala Lajpat Rai is the correct answer because he authored biographies of Italian revolutionaries (Mazzini and Garibaldi) and Indian icons (Shivaji and Shrikrishna) to inspire nationalist sentiment, lived in the USA from 1914 to 1920, and was elected to the Central Legislative Assembly in 1923. While Aurobindo Ghosh was also a prominent extremist leader, he is primarily known for his spiritual transition to Pondicherry and his revolutionary journalism rather than these specific biographies or legislative service. The core concept being tested is the specific literary, international, and political contributions of prominent leaders during the Indian National Movement.