Consider the following statements regarding the commercialization of agriculture in colonial India:

I. It led to the shift from subsistence farming to cash crop cultivation.
II. The British government actively promoted the cultivation of indigo, cotton, and jute.
III. Commercialization improved the economic condition of Indian peasants by increasing their profits.
IV. Commercialization of agriculture was one of the major causes of recurrent famines in India.
Which of the above statements are correct?