It was only after World War II; the prospering trade agreement and the need for a bigger labour force caused an increase in immigration into Europe. In between the period of 1940s to early 1970s, migrants left their country in search of a better lifestyle and higher wages. Though everyone who migrated was not Muslim, the majority of these people came from the surrounding North African and Middle Eastern countries that were under European colonization. Foreign workers were in Europe on a temporary term basis. With the native and local workers becoming more educated and rising in their ranks to white-collar work. This left high amounts of vacancies in poorly paid work in cleaning, construction, and mining. Immigrants flowed into western countries to combat that change. Around this time, migration was not seen as an issue. The workers had no specific rights they wanted as their goal was to save enough money to send to their families back home. Other than the discrimination on social hierarchy and status, workers were not looked down upon as they were contributing to western society.