Answer :
According to the excerpt, the major weaknesses of the articles of confederation is that "there shall not be any alterations except agreed by the Congress".
An article from a historic documents
The article's main theme is about the United States confederation. The confederation is refered to as a document of rules or laws governing a state. It can be called the Constitution.
The confederation cannot be altered anyhow except it pass through due process by the Congress. The Congress are the members of legislature of the United States.
Learn more about excerpt:
https://brainly.com/question/13429788