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Coins continued to be made of the same materials as before in many countries - alloys of copper, nickel and silver. Some countries began to mint coins of zinc (notably Germany) and aluminum, to save on the traditional materials, which were valuable for munitions of war.
The US government was concerned about shortages of copper and nickel, which are very useful for war materials. The US made cents of steel in 1943, and five-cent pieces ("nickels") of silver. The silver "war nickels" had a large "S" above the dome of the Jefferson Memorial on the reverse.
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What materials were used to make clothes during the 2 world war?
poleyester
What were the u boats used for during World War 2?
They were submarines (German Untersee boat) used to sink ships carring men and materials to war fronts
What materials are used to build pt boats of world war 2?
Plywood.
What were used in World War 2 but NOT in World War 1?
Bombs were invented during WWI, But they were not used until WWII.
What war was dynamite used in?
Dynamite was used in World War 1, but stopped using it during World War 2
