No ability to enforce.
The Articles were just too weak.
https://constitutioncenter.org/blog/10-reasons-why-americas-first-constitution-failed
A fair criticism.
Our Founders used it as a starting point and came up with just the right balance of strength- which balance was later destroyed in favor of the central government.
By Abraham Lincoln.
That is when the Central government grew far more powerful than the founders had ever intended it to be.