Respuesta :
It should be noted, however, that statistical data on migration and mobility in ... Initially, geographical proximity played an important role in the development of ... Exploring contemporary migration
Answer:
But primary immigration into Europe – driven by labour needs – all but ended with the oil crisis of 1973. ... and had nothing like the legal and social protection of today's welfare states. ... as safe, asylum-seekers who do not arrive by plane are likely to be rejected.
Explanation: