Who among the following was a prominent exponent of Scholasticism during the Middle Ages?

Arrange the following historical developments and consequences related to the post-plague labor shortages in chronological order of their occurrence: A. The rigid feudal system begins to break down as serfs demand better conditions or leave their manors. B. Frustrations over the Statute of Labourers and harsh taxes culminate in the outbreak of the Peasants' Revolt. C. The Statute of Labourers is passed to fix wages at pre-plague levels and prevent peasant mobility. D. Massive plague-induced deaths lead to a severe shortage of workers and an initial increase in wages.

Which of the following were key characteristics of the Medieval period in European history? (i) Feudalism (ii) Growth of papal authority (iii) Holy Roman Empire (iv) Secular democratic governance