Which aspect of the government formed under the article of confederation was best highlighted by Shays's rebellion?

Ah, Shays's Rebellion highlighted the challenges of a weak central government under the Articles of Confederation. It showed how the lack of a strong federal military and the inability to levy taxes directly impacted the government's ability to maintain order and respond to crises. This event ultimately led to the realization that a stronger federal government was needed, paving the way for the Constitutional Convention.