Across
- 1. many million troops were deployed in total?
- 3. When did WWI start?
- 5. How many years did WWI last?
- 8. What was the main cause of the war?
Down
- 2. How much money was spent during WWI?(billion usd)
- 4. Who won WWI?
- 6. Where did WWI begin?
- 7. Who started the war?