The Native Americans
Hope this helps
This is a matter of opinion.
If you think yes, you could argue that internment was a great PR move and/or that it protected the Japanese living in America from negative press
If you argue no (which I would) then you could argue that it was unconstitutional and/or had no strategic importance to the war itself.
By definition, the bill of rights was a very important document with regards to the US Constitution because it contains the very first amendments of the constitution itself. It was added to the constitution for the main reason that of the inadequate systems of checks and balances. Therefore, the third choice.
To gain independence from Spain
Depending on the source, i would say at least a 2 to 1