In U.S. Population Projections: 2005-2050, Pew Research Center reported that «The nation's population will rise to 438 million in 2050, from 296 million in 2005, and fully 82% of the growth during this period will be due to immigrants arriving from 2005 to 2050 and their descendants.» This shows that it is essential to study and understand how our mission, especially in the context of the USA, called the nation of immigrants, will respond to this huge mobility of immigrant diaspora. So...
