Rubuta ci gaba don wannan sakin layi - Wani mai amfani da "Realpolitik", Kissinger ya taka muhimmiyar rawa a manufofin kasashen waje na Amurka tsakanin 1969 da 1977. A wannan lokacin, ya jagoranci manufofin "detache" tare da Tarayyar Soviet, ya shirya bude dangantaka da China, ya shiga cikin abin da aka sani da diflomasiyya na jirgin ruwa a Gabas ta Tsakiya don kawo karshen yakin Yom Kippur, kuma ya tattauna yarjejeniyar zaman lafiya ta Paris, ya kawo karshen shigar Amurka a cikin Vietnam War. Kissinger ya kuma kasance yana da alaƙa da irin waɗannan manufofi masu rikitarwa kamar yadda Amurka ta shiga cikin juyin mulkin soja na 1973 na Chile, "haske mai haske" ga rundunar sojan Argentina don Yaƙin Dirty, da kuma goyon bayan Amurka ga Pakistan a lokacin Yaƙin Bangladesh
duk da kisan kare dangi da abokansa suka yi. Bayan barin gwamnati, ya kafa Kissinger Associates, wani kamfanin ba da shawara na kasa da kasa. Kissinger ya rubuta fiye da littattafai goma sha biyu kan tarihin diflomasiyya da alaƙar ƙasa da ƙasa.