Consider the following statement regarding Ashoka's Dhamma:

1. The theme of ahimsa is an important aspect of Ashoka's dhamma and is frequently mentioned.

2. The ceremony of the dhamma is described as consisting of proper courtesy to slaves and servants, respectful behavior towards elders, and liberality to sharmanas and Brahmanas.

3. Major Rock Edict I declares prohibition of animal sacrifice and holiday of festive gatherings. 

How many of the above statements are correct?