Spirit For Spirit Week, My Class' Theme Is The 1940s. Any Ideas On How To Decorate A Hallway And Mini-float?

For spirit week, my class' theme is the 1940s. Any ideas on how to decorate a hallway and mini-float? - spirit

For the week of my mind, the school has identified the issue for decades. My class chose the 1940s. We decorate a room and a mini-float (4x4 ISH). Has anyone suggestions how to decorate?