Final answer:
Jonas reacted to the children's war game with shock and confusion. Lowery placed the game of war shortly after Jonas received the memory of war to highlight the contrast between innocence and reality.
Step-by-step explanation:
Jonas reacted to the children's war game with shock and confusion. He had recently received the memory of war, which made him understand the true horror and pain involved. The game seemed trivial and meaningless to him, and he couldn't comprehend why the children found it entertaining.
Lowery placed the children's game of war shortly after Jonas received the memory of war to highlight the stark contrast between the innocence of the children and the harsh reality of war. It serves as a powerful reminder of the ignorance and naivety of the community, who have been shielded from the true nature of the world.