â to promote world peace and friendship through a Peace Corps , which shall make available to interested countries and areas men and women of the United States qualified for service abroad and willing to serve , under conditions of hardship if necessary , to help the peoples of such countries and areas in meeting their needs for trained manpower . The act declares the program 's purpose as follows : To promote world peace and friendship through a Peace Corps , which shall make available to interested countries and areas men and women of the United States qualified for service abroad and willing to serve , under conditions of hardship if necessary , to help the peoples of such countries and areas in meeting their needs for trained manpower .