<span>At the very last that is just before the world war I, a petition called as the Jones-Shafroth was signed to grant the American citizenship to the Puerto Ricans in the year of March 2, 1917, They are mainly granted because they want to recruit them for the war as armed forces and soldiers.</span>
Neutrality
Policy of supporting neither side in a war.
Hope this helps
Well, the British was the cause of James Monroe passing the Monroe Doctrine. They settled in territory they weren't permitted and then the Monroe Doctrine was passed in effect of European settlement aka the British. They then agreed to not settle and in return, their foreign affairs was left to be.