Black Hawk Purchase
...that Iowa's Black Hawk Purchase is named for the Sac chief Black Hawk, despite that fact that he was in prison when the land-transfer treaty was signed?
...that <a href="./Iowa" id="mwA5o" rel="mw:WikiLink" title="Iowa">Iowa</a>'s <b id="mwA5s"><a href="./Black_Hawk_Purchase" id="mwA5w" rel="mw:WikiLink" title="Black Hawk Purchase">Black Hawk Purchase</a></b> is named for the <a class="mw-redirect" href="./Sac_(people)" id="mwA50" rel="mw:WikiLink" title="Sac (people)">Sac</a> chief <a class="mw-redirect" href="./Black_Hawk_(chief)" id="mwA54" rel="mw:WikiLink" title="Black Hawk (chief)">Black Hawk</a>, despite that fact that he was in prison when the land-transfer <a href="./Treaty" id="mwA58" rel="mw:WikiLink" title="Treaty">treaty</a> was signed?