The Articles of confederation was the document which was the original constitution described the powers of the people and government after the US has gain independence from the British.
To address you question, one weakness of the articles is that it did not have a national army, this is a weak factor because having a national army is important to keep our nation protected.
A. seems the most likely because rest are absurd. Increase in profits = less money to spend which = more money to spend on ads or add more goods to make at the factory
