Critique of the Articles of Confederation

In the wake of the American Revolutionary War, the Articles of Confederation were drafted to provide a framework for governance. While they allowed for certain powers at the national level, significant limitations were embedded in the system. One notable aspect was the inability of the federal government under the Articles to effectively address issues such as taxation and interstate commerce. As states operated independently, conflicts arose, demonstrating the flaws of this alliance. By the mid-1780s, it became clear that a stronger national government was necessary to ensure stability and unity. In this context, what key feature of the Articles of Confederation was most prominently cited by critics as a fundamental weakness that led to calls for its replacement?