poetry

Hello everyone,

I am a grade 10 student doing a seminar about WWI literature. Our thesis is that the government used literature as propaganda, and it helped the British win the war. My part is poetry. I can't fool my teacher (not that I intend to,) but he'll catch every inaccuracy - he knows a lot. He never uses the textbook. Anway, I really don't know where to start. I know what to find, but I can't find it. Please help.

-how did the people react to the poetry?
-specific examples of poems, including analysis
-In Flanders Fields

I'm guessing I should focus on British poets, aside from John McCrae.
This is a big task, however any help will do. Thank you very much.