Answer:
Push: Poverty, religious/political persecution, economic opportunities scarce in homeland. Pull: Available jobs, improvement on the conditions of their homeland.
I hope this helped ☺️
In a direct democracy every single things must be voted on by the people. That means if a new paint was to be applied to a government building everyone would have to vote. To answer in short form; It would take too long to get things done.
The first one should be the correct answer.
Capitalism, as it is the only MORAL system.