<prompt> Ge Ntwa ya Selegae e thoma, Mansfield o ile a laela Lefapha la Washington April 27 - August 17, 1861, gomme a hlatlošwa go ba brigadier general ka May 6, 1861. Molaodi-pharephare Winfield Scott o ile a šišinya Mansfield gore e be molaodi wa madira a baithapi ao a bego a hlomilwe kua Washington D.C. seruthwaneng seo, eupša go e na le moo, go ile gwa bewa Irvin McDowell. Mansfield o be a sa lebelelwe e le kgetho e kaone ka baka la nywaga ya gagwe yeo e bego e le e phagamego le go belaela ga madira a baithapi le go gapeletša ga mmušo go ya ka lebelo kua Richmond moo go bego go tla fediša ntwa ka dikgwedi tše sego kae, le gona o be a se na mothuši wa tša dipolitiki kua Washington. Ka morago ga go fenywa ga mašole a Union kua Bull Run, George McClellan o ile a bewa go laola maiteko a ntwa kua Eastern Theater gomme dikholofelo tša Mansfield tša go laola madira di ile tša senywa gape. McClellan gape ga se a ka a mo nea maemo a go laola Madira a Potomac ao a sa tšwago go hlongwa. Mansfield o be a dula kua Hatteras Inlet, North Carolina  <response>: , ka October, ka morago ga ntwa yeo e lwelwego moo ke Benjamin Butler ka August. E be e le molaodi wa brigade ka Lefapheng la Virginia go tloga ka March go fihla ka June 1862. Mošomo wa gagwe o nnoši wa ntwa nakong ye e be e le go thuntšha dibeteri tša lebopong go tšwa Hampton Roads kgahlanong le sekepe sa tšhipi sa CSS Virginia ntweng ya sona ya ka lewatleng kgahlanong le USS Monitor ka la 9 Matšhe 1862. Go fihla ka lehlabula la 1862, Mansfield o ile a laela Lefapha la Suffolk la VII Corps la Lefapha la Virginia tikologong ya Suffolk. 