In the 1950s and 1960s West Europe had a labour shortage. Many governments recruited migrants from North Africa to work in those jobs where there were shortages. Many brought their families. They were looking for a better life and a chance to settle. This continued well into the 1970s. At this time entry into Europe was legal. But in the 1980s and 1990s these same European countries started to impose strict quotas on the numbers of migrants coming in. Under to the 1985 Schengen Treaty, it became much more difficult to get a visa. Many people, particulary young people, began searching for illegal ways to get into Europe. As a result, a lot of people risked their lives and many of them died. At this time young people from sub-Saharan Africa started migrating into North-Africa also seeking ways to get to Europe.