Immigration, especially in mass numbers is fueled by a number of reasons. Each event is bound to have positive and negative effects but when the positive effects outweigh the cons, the event is good and advantageous. Whatever the push and the pull reasons for immigration are, both the immigrants and the country hosting them get to gain.
Take for example the great migration of the 19th and 20th century into the United States, the immigrants fueled a move to urbanization bring to birth cities like Boston and New York among others (Hirschman, 2006). Urbanization led to increased trade and development of the nation. Another reason why immigration is a positive