Tuhia he haere tonu mō tēnei wāhanga - I te pakanga i waenganui i ngā rōpū i roto i te Mexican Civil War
i arahina ki te āhei o te mahi hōia a U.S. ki te tiaki i te rohe U.S.-Mexico, i whakaekea e Grigsby te kohikohi i tētahi ope tūao me te arahi ki Texas, engari i whakawhirinaki te kāwanatanga ā-rohe ki ngā wae National Guard i whakaritea, kaua ki ngā tūao ki te whakatutuki i tēnei kaupapa. I te tau 1916, i tautoko ano a Grigsby i a Roosevelt mo te perehitini, a, kaore i angitu mo te kaitohutohu ki te Republican National Convention.