Consider the following statements in regard to the age of the Buddha in India: 1. The Indian legal and judicial system originated in this period 2. Jainism and Buddhism tried to improve the material life of Shudras. 3. Brahmanical law books did not ignore the customs of the non-Vedic tribal groups, which gradually absorbed into the brahmanical social order. Which of the statements given above are correct?

• A.  1 and 2 only      
• B.  2 and 3 only
• C.  1 and 3 only      
• D.  1, 2 and 3