The plan that was proposed at the constitutional convention favored large states. it called for a legislature in which the number of representatives would be in proportion to each state’s population

The answer is Virginia Plan. 

The Virginia Plan was a proposition by Virginia delegates for a bicameral administrative branch. The arrangement was drafted by James Madison while he sat tight for a majority to collect at the Constitutional Convention of 1787. 
The Virginia Plan was eminent for its part in setting the general motivation for wrangle in the tradition and, specifically, to set forward the possibility of populace weighted portrayal in the proposed national governing body.

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