Sometimes overpopulation and a lack of education is an important reason for poverty. If a lot of the more well-off people in underdeveloped countries freely tra

Sometimes overpopulation and a lack of education is an important reason for poverty. If a lot of the more well-off people in underdeveloped countries freely travelled to the more developed ones, a percentage of them would make efforts to improve the lot of people in their native countries, since they wouldn't have to jump through a ton of hoops to go back to living in the more developed countries.