Weakening the Swabian towns allied with Weinsberg , he acquired the town Sinsheim , where one of the arteries led to the Frankfurt Trade Fair .
However , all this had not caused anything , and Konrad took drastic steps .
Weakening the Swabian towns allied with Weinsberg , Konrad acquired the town Sinsheim , where one of the arteries led to the Frankfurt Trade Fair .
However , all this had not caused anything , and Konrad took drastic steps .