What role did the Samoyed, an ancestral type, fulfill that required immense stamina?
Answer
Herding reindeer and pulling sleds
The Samoyed, mentioned as part of the foundation stock resemblance, was bred specifically for herding reindeer and pulling sleds, necessitating immense stamina.

Related Questions
What was the primary intent behind the development of the Japanese Spitz in the 1920s and 1930s?Which characteristic of the coat was highly prized and deliberately selected for during the breed's establishment?What was the German Spitz ancestor traditionally used for?What inherent conflict exists between the Japanese Spitz's coat and its modern role?The relatively swift development timeline of the Japanese Spitz in the 1920s and 1930s suggests what about its selection process?Which two physical features were intentionally preserved to give the Japanese Spitz an alert and intelligent look?What temperament trait, inherited from its lineage, contrasts slightly with the expectation of a completely quiet companion animal?In relation to the environment their ancestors endured, why was the Japanese Spitz bred to be a medium-sized dog?What characteristic was actively screened against when selecting for the Japanese Spitz temperament?What role did the Samoyed, an ancestral type, fulfill that required immense stamina?What is the Japanese Spitz universally recognized as today?