Complex sentence: Chand Bardai's patron Prithviraj Chauhan was facing Muslim invasions from the north-west at the time, and therefore, the poet's motivation might have been to foster political unity among the Rajput dynasties.
Split into simpler sentences: Chand Bardai's patron Prithviraj Chauhan, a Chauhan, was facing Muslim invasions from the north-west at the time. Therefore, the poet's motivation might have been to foster political unity among the Rajput dynasties.