What was the reason for the constitutional convention?
to address the weaknesses in the articles of confederation
to debate whether or not to secede from britain
to draft and sign the declaration of independence
to write a constitution increasing the power of the states

To address the weaknesses in the Articles of Confederation

Explanation:

Back to the drawing board! Without the ability to tax or settle disputes between states, the new nation needed a stronger more powerful government. Delegates from each state gathered together to create a new plan of government.