With reference to Indian history, which of the following is/are the essential elementy elements of the feudal system?
1. A very strong centralized political authority and a very weak provincial or local political authority
2. Emergence of administrative structure based on control and possession of land
3. Creation of lord-vassal relationship between the feudal lord and his overlord
Select the correct answer using the code given below.
1 and 2 only
2 and 3 only
3 only
1, 2 and 3