Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A watan Mayun 2002, Obama ya ba da umurni da yin zabe don tantance damarsa a cikin tseren Majalisar Dattijan Amurka na 2004. Ya kirkiro kwamitin kamfen, ya fara tara kudi, kuma ya tsara mai ba da shawara kan harkokin siyasa David Axelrod a watan Agusta 2002. Obama a hukumance ya sanar da takararsa a watan Janairun 2003.Obama ya kasance farkon mai adawa da mamayewar gwamnatin George W. Bush na 2003 na Iraki. A ranar 2 ga Oktoba, 2002, ranar da Shugaba Bush da Majalisa suka amince da shawarar hadin gwiwa da ta ba da izinin yakin Iraqi, Obama ya yi jawabi a farkon babban taron Chicago na adawa da yakin Iraqi, kuma ya yi magana game da yakin. Ya yi jawabi a wani taron zanga-zangar yaki a watan Maris na 2003 kuma ya gaya wa taron cewa "ba a makara ba" don dakatar da yakin. Shawarwarin da dan Republican mai ci Peter Fitzgerald da magajinsa na Democrat Carol Moseley Braun suka yanke na rashin shiga zaben ya haifar da bude gasar Democrat da Republican na farko da suka hada da 'yan takara 15. A zaben farko na watan Maris na shekara ta 2004, Obama ya yi nasara a cikin gagarumar nasara wanda ba zato ba tsammani ya sanya shi tauraruwa mai tasowa a cikin Jam'iyyar Democrat ta kasa, ya fara hasashe game da makomar shugaban kasa, kuma ya haifar da sake buga littafin tarihinsa, Mafarki daga Mahaifina. A watan Yulin 2004, Obama ya gabatar da jawabi a taron kasa na jam'iyyar Democrat na 2004, wanda masu kallo miliyan 9.1 suka gani. Jawabin nasa ya samu karbuwa sosai kuma ya daukaka matsayinsa a cikin Jam'iyyar Democrat.Abokin hamayyar da Obama ya yi tsammani a babban zaben, dan Republican mai nasara Jack Ryan, ya janye daga tseren a watan Yunin 2004. Makonni shida bayan haka, Alan Keyes ya amince da takarar Republican don maye gurbin Ryan. A babban zaben Nuwamba 2004, Obama ya lashe kashi 70% na kuri'un.  Tambaya: Wace zabe ce Obama ya lashe?
Nuwamba shekara ta 2004