The subject of the most debate between large and small states at the constitutional convention would be Representation.
So, the correct option is C.
The gathering was sometimes referred to as the "federal convention" or "Philadelphia convention" because it was held there. The goal of many of the delegates who came here was to design the new constitution. Some states supported a strong central government, while others opposed it. While small states desired equal representation with larger ones in Congress, large states believed that they should have more of a voice there.
The argument between large and small states centered mostly on who should be represented in Congress. The larger states fought for representation based on population size, while the smaller states fought for equal representation for all states.
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