which instrument originally did not have valves and was used by the military?\nbugle\neuphonium\ntuba

which instrument originally did not have valves and was used by the military?\nbugle\neuphonium\ntuba

which instrument originally did not have valves and was used by the military?\nbugle\neuphonium\ntuba

Answer

Brief Explanations:

The bugle is a simple brass - wind instrument without valves and has been used historically in the military for signaling. Euphoniums and tubas are larger brass instruments with valves.

Answer:

A. Bugle