Rubuta ci gaba don wannan sakin layi - Lokacin da yakin basasar Amurka ya fara, ɗalibai a Jami'ar Madison sun kafa kamfanin sa kai, kuma sun ba da shi ga sabis na Amurka. A watan Satumbar 1861 kamfanin ya zama Kamfanin C, 61st New York Volunteer Infantry Regiment, kuma Broady ya zama kyaftin dinsa. Bayan shekara guda Broady ya ci gaba da zama mataimakin shugaban kasa, kuma a cikin bazara na 1863 ya zama, a matsayin mataimakin shugaban kasa, kwamandan jami'in. A lokacin rani na shekara ta 1864 Broady ya zama, har yanzu wani kwamandan kwamandan, kwamandan kwamandan a cikin Sojojin Potomac. Wata daya bayan haka an ji masa rauni a yakin na biyu na tashar Ream.
, kuma ya bar umurninsa. Daga bisani an tattara shi daga Amurka, a waje da Petersburg, Virginia. A shekara ta 1865 Broady ya zama colonel, Amurka Volunteers.