Help asap If the government under the Articles of Confederation was so ineffective, why were there no changes made to improve it?

The national military would not allow changes to the Articles.
There was no method by which changes to the Articles could be made.
All the states had to agree in order to pass an amendment to the Articles.
A court would have to approve any change to the Articles, and there was no court.

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications.you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)