Match the ruler with their contribution:
| Column A | Column B |
| Bimbisara - |
a) Shifted the capital to Pataliputra |
| Ajatashatru - | b) Conquered Vajji Confederacy |
| Udayin - |
c) Conquered Anga |
| Mahapadma Nanda - | d) First historical emperor of India |
1
1) c, 2) b, 3) a, 4) d
2
1) a, 2) b, 3) c, 4) d
3
1) c, 2) b, 3) d, 4) a
4
1) c, 2) d, 3) a, 4) b