Whakaotihia te rerenga e whai ake nei: I te tau 1850, i hinga a Penniman i te kaitono a Alexander W. Buel ki te pooti hei Whig mai i te rohe 1 o te kaunihera o Michigan ki te Kaunihera Toru tekau ma rua, i mahi mai i te Maehe 4, 1851 ki te Maehe 3, 1853. Ko ia te tangata tuatahi o Plymouth i pootihia ki te United States Congress. Kaore ia i te kaitono mo te whakahoutanga i te tau 1852. He mema ia o te huihuinga i hui i raro i nga oki i Jackson, Michigan, i te Hurae 6, 1854, i te whakahaere o te Rōpū Reipa i Michigan. He mema ia ki
1856 Republican National Convention mai i Michigan.