उस प्रतिहार शासक का नाम बताइए जिसने न केवल अरबों की प्रगति को रोका बल्कि कई शासकों को उनकी अधीनता से भी मुक्त कराया।

According to the Gwalior Prashasti, which Gurjara-Pratihara ruler effectively stopped the Arab invasion beyond Sindh?

Consider the following statements regarding the 'Chanakya-Vigraha' policy of the Gurjara-Pratiharas: 1. It was a specific diplomatic strategy used by Vatsaraja to manage the Tripartite struggle. 2. The Gwalior Inscription credits Nagabhata II with reviving this policy against the Palas. 3. It involved the strategic use of 'Feudatory Buffer States' like the Chahamanas of Shakambhari. Select the correct code: