Which Constitutional plan proposed a unicameral (one house) legislature with one vote per state similar to the Articles oi Confederation

William Paterson's New Jersey Plan

William Paterson's New Jersey Plan proposed a unicameral (one-house) legislature with equal votes of states and an executive elected by a national legislature. This plan maintained the form of government under the Articles of Confederation while adding powers to raise revenue and regulate commerce and foreign affairs.

Explanation:

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my cultural heritage consists of irish, german, native american, and others.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.