What historical role influences the German Spitz's natural wariness toward strangers?
Answer
Their history as alert watchdogs.
The natural wariness or reserve toward unfamiliar people stems from their historical role as alert watchdogs.

Related Questions
What physical features are shared across the German Spitz size variations?What historical role influences the German Spitz's natural wariness toward strangers?How does meeting a German Spitz's energy needs relate to their cuddling behavior?What is the typical initial reaction of a German Spitz toward unfamiliar people?Due to their dense double coat, where do owners often find the best cuddle moments occur?What effect does an inconsistent routine regarding attention have on a closely bonded Spitz?Which breed is often considered a derivative or related breed to the German Spitz family in very small form?What challenge might a highly attached German Spitz present to an owner seeking a dog satisfied with being near but independent?How can consistent, positive reinforcement training specifically impact cuddle time?Which German Spitz size varieties are noted as standard in Germany?