Consider the following statements about the Revolt of 1857 and mark the correct statements.
1. The revolt began as a sepoy mutiny at Meerut.
2. The immediate cause was the ‘Enfield’ rifle'.
3. Nana Sahib was the leader of the revolt from Lucknow.
1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3