Consider the following statements about the preservation and discovery of ancient monuments:
1. The Sanchi complex was preserved due to local rulers like Shahjehan Begum.
2. Sculptures from Amaravati were removed and taken to different parts of India and abroad.
3. British administrators fully supported preserving sites in situ since the beginning.
4. The Archaeological Survey of India played a key role in conserving Sanchi.
1
1, 2 and 4 only
2
2 and 3 only
3
1, 3 and 4 only
4
All of the above