Match the following.
| Alexander Gerschenkron | Core, periphery, semi-periphery states |
| Immanuel Wallerstein | History-at-a-distance |
| Eric Hobsbawm | Analysis of economic backwardness |
| Fernand Braudel | Real socialism |
AA-1, B-3, C-4, D-2
BA-2, B-3, C-1, D-4
CA-3, B-1, C-4, D-2
DA-2, B-4, C-1, D-3
