Match the following types of sources with their classification as primary or secondary:
| Column A | Column B |
| 1. E.H. Carr |
a) Emphasized the role of historical interpretation and the subjective nature of history
|
| 2. Marc Bloch |
b) Co-founder of the Annales School, focusing on social history
|
| 3. Leopold von Ranke |
c) Advocated for empirical methods and primary source-based research
|
| 4. Karl Marx |
d) Developed the theory of historical materialism
|
1
1-d, 2-c, 3-b, 4-a
2
1-b, 2-d, 3-a, 4-c
3
1-a, 2-b, 3-c, 4-d
4
1-c, 2-b, 3-d, 4-a