There was a lack of jobs for European countries while the US had many job opportunities.
They made this to preserve and protect themselves from the wars in the world. President Woodrow Wilson motivated the Americans to stay neutral as it is called safe democracy. He decided not to let Americans get involved in the wars of other nations. He also stopped providing military assistance to show his neutrality.
some for exploration and others moved here because they were no excepted in there social society
Answer:
The theory of evolution is the idea of species changing over time through the process of natural selection.
It was formed as a replacement for the ineffective League of Nations and <span>after World War II in order to prevent another such conflicts, world wars etc, from happening.</span>