Consider the following statements regarding the social and cultural practices during the Ikshvaku period:

1. The practice of cross-cousin marriages was prevalent, as seen in Virapurushadatta’s marriages with his paternal aunts’ daughters.
2. Women held a significant role in religious patronage, as evidenced by their contributions to Buddhist viharas.
3. The Ikshvaku kings strictly followed Buddhism, making it the state religion.
Which of the statements given above are correct?