what is the best example of a pull factor that might cause immigration?\ndanger\nfamine\nwar\nsafety

what is the best example of a pull factor that might cause immigration?\ndanger\nfamine\nwar\nsafety
Answer
Brief Explanations:
Pull - factors attract people to a new place. Danger, famine, and war are push - factors that drive people away from their current place. Safety is a positive condition that can attract immigrants.
Answer:
safety