Answer :
C. A persuasive essay I think. I think this because "encouraging the reader" is like persuading them to do something. Hope I helped. :P
Answer:
C.persuasive essay
Explanation:
A persuasive essay tries to convince the reader and the audience of something, and a persuasive essay can include a call to action, after convincing and providing facts and trying to convince the reader and the audience to believe and to support what the author wants them to believe what they want, a call to action can complete the persuasive essay.