How many states have to agree to any changes or amendments made to the articles of confederation?

Acivilization reaches its high point during its stage. a)birth b)growing pains c)adulthood d)senior

When gandhi reached the arabian sea at the end of the salt march, he picked up raw salt from the water and made a declaration: “with this, i am shaking the foundations of the british empire.” how do you think this quotation is symbolic of gandhi’s works and philosophy?

What is roosevelt’s corollary ? where did it specifically deal with?