sonar
They were introduced in 1916.
World War 1 introduced aerial warfare with airplanes and trench warfare
Yes, Income tax was introduced to Canada during World War 1. It was introduced to help pay for the costs of everything needed for the war.
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tank
how did the government finance world war one
the french tickler was introduced
tank
mustard gas was used in world war 1 as weapon.it was introduced by Germans in 1917.
chips and cornettos
tanks & airplanes
Airedale Terriers served as messengers for the English Army during World War 1.