Why do we not use the articles of confederation today?

Use the following quote to answer the question. "the power to propose the revision or amendment of any portion or portions of this constitution by initiative is reserved to the people, provided that, any such revision or amendment, except for those limiting the power of government to raise revenue, shall embrace but one subject and matter directly connected therewith." the quote above is from the a) u.s. constitution and extends the powers of initiative and recall to the people b) florida constitution and extends the powers of initiative and recall to the people c) florida constitution and extends the power of initiative to the people d) u.s. constitution and extends the power of initiative to the people