Question

Used as a messenger and guard dog during thetwo World Wars​

Answer 1

Hounds were used in the American Civil War to protect, send messages, and guard prisoners. General Grant recounts how packs of southern bloodhounds were destroyed by Union troops wherever found due to them being trained to hunt men. Dogs were also used as mascots in American WWI propaganda and recruiting posters.

Answer 2

This is the dog which was used as a messenger and guard dog during the two World wars.

Idk it's name tho