Consider the following statements regarding the Government of India Act, 1935:

1. It proposed the formation of a federation that was fundamentally defective.

2. It retained the system of Communal electorate which became the tool for the disintegration of India.

3. It armed Governor Generals with powers to defend minorities which later arrested the growth of nationalism.

4. The act provided the flexibility to people to alter or modify rights according to their needs.

Which of the statements given above is/are correct?