Answer:
Achievements:
1 Gave financial support that could have allowed progress in the terms of literature & science.
2 There advance in science had created many true hypotheses ahead of their time
3 THese paintings that were funded, and the arts that were funded, were even found in the cave of buddha, who started a religion, so they even had religious freedom (ahead of their time
4 The people of different religions (hindu and buddhist) lived close to each other and in peace, religious freedom was real and kept in place for some time.
Most important: The defeat of 9 kings in the north and 12 in the south, 21 in total, to then spread culture around the area.
Step-by-step explanation: