Legislative Structure at the Constitutional Convention

During the Constitutional Convention of 1787, the delegates debated various proposals for how the newly independent states would be governed. A critical aspect of the discussions revolved around how to structure legislative representation, which was a contentious issue between larger and smaller states. Among the proposals debated, one in particular sought to establish a bicameral legislature that would address these concerns. Which proposal was ultimately adopted and became the foundation for the legislative structure of the U.S. government?