What was one major weakness of the articles of confederation?

I don't know but this is what the intwer said "Congress had no power to coin money, therefore each state developed its own currency. Congress was unable to regulate interstate and foreign commerce; some states refused to pay for goods they purchased from abroad. Congress was unable to impose taxes; it could only borrow money on credit."

Explanation:

mining and farming towns developed

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the answer is b.

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