I'm not sure what the lesson is, but the answer that makes sense the most is number. Number because most lessons in subject-verb agreement concerns the singularity and plurality of the subject at hand
Answer:
the answer is A almanacs and encyclopedias only
Explanation:
18. I wanna say is A because that's the only vibe I get from and none of the answers made as much sence as that one. 19. I'm not to sure but at the end of the short poetry it really seems like he did find the love
C, to inspire people to collectively work hard toward a better future.