I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".
Common law, jury and trial (I think)
Muslims believe that Islam<span> is the original, complete and universal version of a primordial faith that was revealed many times before through prophets including Adam, Noah, Abraham, Moses, and Jesus. As for the Quran, Muslims consider it to be the unaltered and final revelation of God.</span>
Answer:
The divine right of kings, divine right, or God's mandate is a political and religious doctrine of royal and political legitimacy. It asserts that a monarch is subject to no earthly authority, deriving the right to rule directly from a divine authority, like the monotheist will of God.