Consider the following statements for two subspaces S1 and S2 of a vector space V: I. S1 ∩ S2 is not necessarily a subspace of V. II. S1 ∪ S2 is always a subspace of V. Select the correct statement using the options given below:

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?