Answer:
d. powerful language
Step-by-step explanation:
One of the most important characteristics of a wartime speech is the fact that this should employ powerful language. Powerful language is necessary in these situations because the most important goal of a wartime speech is to convince people that their country is worth dying for. In order to do this, it is important to appeal to people's emotions and passions. Powerful language is one of the best ways to do so because of its emotional and dramatic nature.