Answer:
something that makes people want to leave a place or escape from a particular situation example shown below;
Step-by-step explanation:
Instead of a fruitless attempt to eliminate illegal immigration, rich countries could focus on reducing the push factors that force some to flee - chiefly poverty and persecution.
Sarah told Josh she killed his dog, making him uncomfortable so he left; Sarah telling josh she killed his dog is a push factor, because if she hadn't said that, Josh would have stayed.
*btw the Dog example is totally fake LOL