Whakakiia te rerenga e whai ake nei: I nga tau 1920 i tono te kawanatanga o Belgium kia whakakapia te Canal ma Zuid-Beveland, kia noho ai te tauranga o Antwerp ki te hokohoko hokohoko Rhine. E ai ki te mahere taketake, i whakaarohia te awa hou ki te hono tika i Antwerp ki Moerdijk i runga i te Hollands Diep, engari i muri i te Pakanga Tuarua o te Ao me te
I te waipuke o te Moana o te Raki i te tau 1953 i whakatau te kawanatanga o Netherlands kia uru te awa hou ki nga Mahi Delta ka whakaarohia he huarahi ki te hauauru, i te mea ka rite tonu te huarahi ki te awa o Striene tawhito. I muri i te whakaaetanga a te kāwanatanga o Belgium i te 1963, ka tīmata te mahi i te awaawa.