A) A historical event that represents an accomplishment of the national government under the Articles of Confederation is the follow-up that the Continental Congress made of this regulation from 1777 to 1781, when it became mandatory.
Thus, the Articles of Confederation served to unite the Thirteen Colonies under the same legal body, laying the foundations of their union as a nation in 1783.
B) An argument critics used in the 1780s to support revising the Articles of Confederation was the lack of capacity of the national government to regulate foreign trade and the issuance of currency, as these powers were reserved for the states.
Because of this situation, the national government could not establish a unified economic policy, which led to each state doing it individually and often leading to conflicts between them.
C) A specific way in which the United States Constitution addresses a criticism of the Articles of Confederation was through the creation of the figure of the President, a unified unipersonal executive power, where there were no representatives of each state as in Congress, but a representative of the nation as a whole.
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