Which statement correctly reflects the treatment of nobles by King Louis XIII and the Bourbon kings who follow?

1. He helped them fortify their castles so that they would be effective military bases.

2. He rewarded his loyal nobles by granting them positions of power in his cabinet.

3. He passed a law requiring all nobles to fulfill a minimum of 25 years of military service.

4. He awarded them ceremonial powers, but stripped them of their political and administrative duties.