Another example of one person who made a difference - North Dakotan, Silver Buffalo awardee* Herman Stern who saved over 120 Jews from the Holocaust.
There's a new 32 minute documentary "The Mission of Herman Stern," the website below has a trailer.
https://www.themissionofhermanstern.org/
http://www.inforum.com/entertainment/movies/4358612-man-mission-how-herman-stern-saved-more-120-jews-holocaust
https://en.wikipedia.org/wiki/Herman_Stern
*Herman Stern started Boy Scout Councils in Fargo, Valley City, Wahpeton, Grand Forks which later merged into the current Northern