if the government under the articles of confederation was so ineffective, why were there no changes made to…

if the government under the articles of confederation was so ineffective, why were there no changes made to improve it?\nthe national military would not allow changes to the articles.\nthere was no method by which changes to the articles could be made.\nall the states had to agree in order to pass an amendment to the articles.\na court would have to approve any change to the articles, and there was no court.
Answer
Breve explicación:
Las Enmiendas a los Artículos de Confederación requerían la unanimidad de todos los estados. Era muy difícil alcanzar este consenso, lo que impedía hacer cambios para mejorar el gobierno.
Respuesta:
C. All the states had to agree in order to pass an amendment to the Articles.