The statement 'the powers of Congress were weak' best describes a "weakness" of the "Articles of Confederation".
<u>Explanation:</u>
Though the Articles of Confederation were implementable and sound enough to build a strong national government and a stable economy, the powers bestowed upon the Congress to enforce these articles were surprisingly limited.
The Articles were so written, that they only gave Congress the power to pass laws but not the powers to enforce the laws that were passed by them.
The law must last several levels of approval and if it contradicts or conflicts with a federal law the law literally can not go in place do to the fact that federal laws are more for everyone than just for the people of a certain area