    ‘Sentence 1: Why was. the, Rhine  regulated?    Sentence 2: A. regulction ‘of . the  Rhine was calléd for,’ with’ an, upper  canal: néar. Diepoldsau. dnd. a. lower.  canal “at” ‘FuBach, ‘in’ ‘order to  counteract the constant flooding and  strong. sedimentation inthe western  Rhine Delta, : ~