History · Vedic Period

With reference to the political and social developments in the Vedic period, consider the following statements: 1. The concept of Janapada emerged during the Early Vedic Period. 2. The Later Vedic Period saw the transition from tribal chiefdoms to monarchy. 3. Standing armies were a prominent feature of warfare in both the Early and Later Vedic Periods. 4. The Varna system was rigidly established in the Early Vedic Period. 5. Battles in the Early Vedic Period were primarily fought for territorial expansion. How many of the above statements are correct?