Conversation so far:
who was dulce et decorum est written for
The first draft of the poem was dedicated to Jessie Pope, a civilian propagandist of World War I, who encouraged—with such high zest—young men to join the battle.
who wrote the poem Dulce et Decorum est
Dulce et Decorum est is a poem written by Wilfred Owen during World War I.

Question: what was his opinion of the war
Self-contained rewrite: what was Wilfred Owen's opinion of the First World War