Monroe Doctrine was the early-19th century announcement that the American continents were not subjects for future colonization by any European country.
That is true. Refugees or people that try to escape danger in their home countries are not subject to the same immigrants' limitations as other immigrants.
Refugees are people who are forced to leave their hometown or country so that they can avoid war, persecution, and natural disaster, so they are able to flee from dangerous stuff that will most likely occur sooner or later.
Big time business owners predicted it and pulled out
The government of ancient Egypt was a theocratic monarchy as the king ruled by a mandate from the gods, initially was seen as an intermediary between human beings and the divine, and was supposed to represent the gods' will through the laws passed and policies approved.