Many Americans wanted a new plan of government because the Articles of Confederation were far to "weak" to manage the nation successfully--as demonstrated by events like "Shays' Rebellion". the Articles were replaced with the "Constitution".
I think you forgot to give the choices along with the question. i am answering the question based on my knowledge and research. <span>The person most known for contributing to the final form of the constitution was James Madison. I hope that this is the answer that has actually come to your desired help.</span>
It would be <span>Some nations agreed to disarmament but some did not. Nations which has large armies and weapons usually doesn't agree in disarmament because it will give a strain and more effort are required to disband to follow the disarmament treaty. Also those nations who have an advantage in military power would not agree to lessen its power for the lesser power.</span>
4- they feared attacks. from Japan and Korea.
5-the cost of maintain overseas
6-the french colonist did not try to convert