The petty conflict between the Yooks and the Zooks mirrors that of the United States and Soviet Union during the Cold War. The Yooks and the Zooks are distinctly separated, making their differences the focal point of the story. The Yooks are dressed in blue while the Zooks are dressed orange (Seuss 4-5). The Yooks live on the right side of the wall while the Zooks live on the left (Seuss 4). The everlasting conflict between the Yooks and the Zooks is their method of spreading butter on toast. The Yooks prefer to butter their bread on the top while the Zooks believe to bread their butter on the bottom (Seuss 5-6). Lasting from approximately 1945 with the end of World War II, until the early 1990's with the fall of the Berlin Wall and the collapse
