Which of the following statements is/are not indicative of the difference between Fundamental Rights and Directive Principles? I. Directive Principles are aimed at promoting social welfare - while Fundamental Rights are for protecting individuals from State encroachment. II. Fundamental Rights are limitations on State action - while Directive Principles are positive instructions for the Government to work towards a just socioeconomic order. III. Fundamental Rights were included in the original Constitution - but Directive Principles were added by the first Amendment. IV. Fundamental Rights are amendable - but Directive Principles cannot be amended.