The German Shepard was developed in Germany where it is known as Deutscher Schaeferhund. It was developed to control the movements of herds of sheep in hilly and mountainous terrain. It is a member of the Kennel Club classification herding group
The breed is also known as an Alsatian in English, the dual name is similar to how the US re-labeled french fries, liberty fries, in this case because Britain was at war with the German people during World War I, and Alsace is on the French border of that nation, and along with Lorraine, both of which regions were bilingual, and so, while it was considered 'unpatriotic' use the name "German Shepherd" for the breed favored as the army's attack dog the more 'friendly' French label was used.
The breed is strong, agile intelligent, fearless and easily trained, which is why it is often chosen to work with police and rescue services, particularly in difficult situations like disasters and riots, where humans are less effective.