The military code-talking system refers to

o

strict rules about how soldiers behave.

secret languages used for communication.

the special technique of pronouncing letters and numbers.

the chain of command ranking structure of the armed forces

o

B. The secret languages used for communication

Explanation:

I did the test

because the vietnam war was fought in an especially brutal and untraditional way

the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..