What was the primary weakness under the Articles of Confederation for the United States Congress?

The articles of confederation for the united states congress was an agreement among the thirteen original states of America, which served as its first constitution.

Ana is experiencing cognitive interference between her newly-learned conversational Portuguese and the Spanish she learned and used fluently as a child. Because many words are similar in Portuguese and Spanish, when she searches her recently memory for the right word in Portuguese, sometimes the similar word that she learned effortlessly as a child comes to mind instead.