Match the liberal thinker with the concept or theory they are most associated with:
| Thinkers | Concept/Theory |
| A. John Locke | 1. Invisible Hand |
| B. Adam Smith | 2. State of Nature |
| C. John Stuart Mill | 3. Harm Principle |
| D. Immanuel Kant | 4. Categorical Imperative |
1
1-D, 2-C, 3-B, 4-A
2
1-B, 2-A, 3-C, 4-D
3
1-B, 2-D, 3-A, 4-C
4
1-C, 2-B, 3-A, 4-D