Brandt bụ onye a na-ewere na ọ bụ otu n'ime ndị isi nke aka nri nke SPD, wee nweta aha mbụ dị ka Onye na-achịkwa Mayor nke West Berlin. O jere ozi dị ka Minista nke Mba Ọzọ na dịka osote onye isi na kabinet Kurt Georg Kiesinger, wee bụrụ chancellor na 1969. Dị ka chancellor, ọ nọgidere na-eme ka West Germany dịkwuo nso na United States ma lekwasị anya na iwusi European mwekota na Western Europe, ebe ọ na-ebute iwu ọhụrụ nke Ostpolitik nke na-elekwasị anya na imeziwanye mmekọrịta na Europe. Brandt bụ onye na-ese okwu na ndọrọ ndọrọ ọchịchị aka nri, maka Ostpolitik ya, na n'aka ekpe, maka nkwado ya maka atumatu ndị America, gụnyere agha Vietnam na aka nri.
Afọ 1969