Urlocaln1nago Urlocaln1nago History Answered One reason why the Constitution was adopted over the Articles of Confederation was.. A small states were underrepresented under the Articles of Confederation.small states were underrepresented under the Articles of Confederation. B Shay's Rebellion revealed the weaknesses of the Articles of Confederation.Shay's Rebellion revealed the weaknesses of the Articles of Confederation. C the Articles gave too much power to the national government.the Articles gave too much power to the national government. D the states were not free to trade among themselves under the Articles.