I think ALL of these techniques are used for Propaganda, because Propaganda is made for all people ( so I have chosen A and D); and it must be used with pictures and facts to easy for all people to understanf ( so I have chosen B and C).
Explanation:
# Impartial = treating all people and groups equally
# Descriptive language is vivid and specific, and helps someone imagine a scene he didn't witness.
# Propaganda is the spreading of information in support of a cause. It is not so important whether the information is true or false or if the cause is just or not.
