Correct option is A
• Spirit of People is associated with Savigny [i], who emphasized the role of people and their culture in shaping law. • Social Solidarity is associated with Duguit [ii], who focused on social cooperation. • Dictates of Reasoning is associated with Thomas Aquinas [iii], who based law on natural reasoning. • Social Control is associated with Ihering [iv], who emphasized the role of law in maintaining social order.