Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement'. Investors who lack basic financial literacy are more likely to fall pray to fraudulent schemes.

Which movement aimed to promote Khadi, a hand-spun and handwoven cloth native to India?

Who were prominent leaders associated with the initial phase of the Telangana Rebellion (1946-1951) against the Nizam's rule and feudal landlords?

What was the immediate trigger for the Revolt of 1857?