The period from 1909 to 1935 witnessed significant changes in the constitutional framework of British India. Analyze the following statements in the context of these changes:

1. The introduction of separate electorates aimed to address the concerns of minority communities.
2. The Government of India Act of 1919 ushered in a system of dyarchy in provincial administration.
3. The expansion of the franchise under these reforms primarily benefitted the landed gentry.
4. These reforms were a direct response to the growing nationalist movement in India.

Which of the statements are TRUE?