Push factors were ; few jobs, overpopulation, war, natural disasters. Pull factors were ; jobs, safety, better quality of life
The main difference between being poor in America and Europe in the 19th century etc. was that America offered much more opportunities due to the fact that it was a nation that was being built up from the ground. This meant that poor people and people of low education could at least get various jobs in construction and related things whereas in Europe, the opportunities for such people were much smaller.
The US prohibit oil and other materials such as coal and steel to Japan and by this they decide to weaken the Navy.
Answer:
Cause we live in the land of the free, and everyone, regardless of their nationality and if they are first generation or otherwise, should get a chance to participate in the governing of the country they have accepted as theirs.
Explanation: