Cika wannan jumla:
Bala'in ambaliyar ruwa na 1953 a cikin Netherlands ya haifar da Dokar Taimakon 'Yan Gudun Hijira ta Amurka gami da ramin ga' yan asalin Dutch 15,000 waɗanda ke da akalla kashi 50% na jini na Turai (bayan shekara guda ya sassauta ga 'yan ƙasar Holland tare da aƙalla kakanni biyu na Dutch) da kuma tsabtace doka da rikodin siyasa. A shekara ta 1954, takardun izinin shiga 187 ne kawai aka bayar. Wani bangare da tasirin maganganu da manufofin gwamnatin Sukarno na Yammacin Turai, wakilin Amurka mai adawa da kwaminisanci Francis E. Walter ya yi kira ga wa'adi na biyu na Dokar Taimakon 'Yan Gudun Hijira a shekarar 1957 da kuma karin ramin biza 15,000 a shekarar 1958.