Option 1 states that the Swadeshi and Revolutionary movements in Bengal gave a significant boost to the Indian nationalist movement. This statement is correct. The Swadeshi movement started as a protest against the partition of Bengal in 1905 and evolved into a larger movement for the independence of India. It brought together people from various backgrounds and united them towards a common goal of resisting British rule.

Option 2 states that the Swadeshi and Revolutionary movements stimulated indigenous business and industry or swadeshi enterprise. This statement is also correct. During the Swadeshi movement, people were encouraged to boycott British goods and instead support local industries and products. This led to the growth of indigenous businesses and industries, providing employment and economic empowerment to the people.

Option 3, the incorrect statement, suggests that the Government of East Bengal and Assam became sympathetic to the revolutionaries. However, this is not true. The British government was actively suppressing the revolutionary movements and considered them a threat to their rule. They implemented repressive measures, arrested and executed revolutionaries, and tried to quell the uprisings.

Option 4 states that the Swadeshi and Revolutionary movements stimulated the development of vernacular literature, including revolutionary literature. This statement is also correct. The movements inspired writers and