WWI&WWII Technology

4. These locked two sets of teeth together and the US Military incorporated them into uniforms and boots.
6. Steel that doesn't rust.
7. The arms race in nuclear weapons that followed World War II prompted this.
10. Gun capable of bringing down row after row of soldiers from a distance on the battlefield.
13. This was dropped on Hiroshima and Nagasaki and served as notable markers to the end of fighting in the Pacific.
16. A type of combat warfare in which opposing troops fight from trenches facing each other.
18. This antibiotic was used during WWII to reduce pain, and increased the chance of survival for soldiers on the battlefield.
19. This savings time was started as a result of Germany's coal shortage during WWI.
20. Unlike whole blood, this can be given to anyone regardless of a person's blood type, and it easier to administer on the WWII battlefield.

1. This was the area between trenches that soldiers had to cross to reach enemy trenches.
2. These were developed first to observe enemy troops.
3. During WWI, they were used to transport supplies and ammunition to soldiers in the trenches.
5. This device, known as cavity magnetron, not only proved essential in helping to win World War II, but it also forever changed the way Americans prepared and consumed food.
8. This American originally developed the machine gun and had significant technological advancements during WWI.
9. These saw significant advancements,including increased speed, armor, and firepower.
11. This warfare first appeared when the Germans used poison gas.
12. This country was the first to fly a jet airplane.
14. This type of lamp provided vitamin D and helped cure rickets from undernourished soldiers.
15. This vaccine was approved for military use in 1945 and civilian use in 1946.
17. This helped the Allied forces detect enemy ships and planes.