Identify the Correct Statements:

1. The Swaraj Movement was primarily limited to the economic sector, demanding more control over British imports, without any reference to political independence.
2. The Congress Socialist Party, an offshoot of the Indian National Congress, significantly influenced Left-Wing politics in pre-independence India.
3. The Communal Award announced by Ramsay MacDonald in 1932 granted separate electorates to various religious communities, fostering the Depressed Classes' movement.
4. B.R. Ambedkar’s contributions were primarily confined to drafting the Indian Constitution, with no significant involvement in the socio-political struggles of his time.