Question

[I] In international law, the doctrine of state continuity generally dictates that a successor government inherits the sovereign debts of its predecessor. [II] However, this strict adherence creates a profound ethical paradox when applied to "odious debts"—obligations incurred by despotic regimes primarily to suppress their own populations or for personal enrichment. [III] While classical legal theorists argue that market stability necessitates the absolute enforceability of all sovereign contracts, this rigid approach effectively forces newly democratized nations to finance their past subjugation. [IV] Therefore, international tribunals must formally adopt an odious debt exception that allows democratic successor states to legally repudiate financial obligations incurred without the consent or benefit of the populace. [V] Doing so would not only alleviate unjust economic burdens but also deter international lenders from bankrolling authoritarian regimes in the future.

Which sentence explicitly states the author's main point? Enter the Roman numeral of the sentence.