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The United States entered the war after the sinking of the Lusitania; submarines were established as an effective weapon.
The United States entered the war after the sinking of the Lusitania; submarines were established as an effective weapon.
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World War I: The First Modern War
S1, EP1 "Armored Beasts"As the first armored fighting machines, tanks were used to break through fortified areas and protect troops from heavy fire.
World War I: The First Modern War
S1, EP2 "Clouds of Death"After Germany first weaponized chlorine, other countries also began to weaponize chemicals; the biggest land mine in history.
World War I: The First Modern War
S1, EP3 "Massive Air Attacks"Giant airships delivered bombs to battlefields.
World War I: The First Modern War
S1, EP4 "Underwater Killers"The United States entered the war after the sinking of the Lusitania; submarines were established as an effective weapon.
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