5kYL: Principle Eleven

WHO CAN ALTER THE GOVERNMENT?

Because the majority of the people have the authority to establish a republican government, only the majority may justly change/abolish the government.

In our Constitution, we have two ways to alter the laws.

Article. V. and Constitutional Convention

What are the ways in which America can/has change(d) the Government other than the two ways listed above? Are/were these methods justified?