_____ include speeches that explain a political, economic, social, religious, or ethical issue; forces of history; a theory, principle, or law; and a creative work.

a. Process speeches
b. Persuasive speeches
c. Impromptu speeches
d. Expository speeches

d. Expository speeches
Expository speeches include speeches that explain a political, economic, social, religious, or ethical issue; forces of history; a theory, principle, or law; and a creative work.