C. To provide hope for the citizens.
The leader talks about encouragement and promising signs, also saying things are turning around. It isn't D as there is no decision needed to be made, not B as there is nothing boasting about the greatness of war, and not A, as it isn't persuading anyone to do more, it's just telling them not to lose hope.
An exclusion zone is an area into which entry is forbidden, especially by ships or aircraft of particular nationalities.
Answer:
what do you mean by that?
The answer to the question is D.
