Who raised the famous slogan: 'Swaraj is my birthright and I shall have it!'?

Consider the following statements regarding the outbreak and trajectory of the Revolt of 1857: 1. The uprising at Meerut occurred immediately following the court-martial and public punishment of Indian sepoys, reflecting accumulated military grievances rather than a completely unplanned event. 2. The immediate march of the rebels from Meerut to Delhi transformed a localized mutiny into an anti-colonial war with centralized political legitimacy under Bahadur Shah Zafar. Which of the statements given above is/are correct?

The historic Kakori Train Action (1925) led by revolutionaries of the Hindustan Republican Association (HRA) was primarily aimed at: