Question

The roman tuba, buccina, and the _____________ were used by the ancient roman army to communicate with troops.

Answer 1

cornu was also used by the ancient Roman army to communicate with troops

Answer 2

Answer:  The correct answer is :  the cornu

Explanation:   The cornu is a bronze G-shaped instrument used by the Roman army to communicate orders to troops in battle. It is also known as curved tuba, had an approximate length of 3 meters. It leaned on the cornicen shoulder that translates cornu blower.