Creating a PowerPoint presentation on transportation in the early post-war years (after World War II) focusing on waterways, roadways, and airways involves structured slides with information appropriate for a 10th-grade audience. Below is an outline for a PPT presentation along with suggested content for each slide:
---
### Slide 1: Title Slide
- **Title:** Transportation in the Early Post-War Years
- **Subtitle:** Waterways, Roadways, and


