Respuesta :
Grenades were not a new military technology used for the first time in World War I.
- Grenades became in use in widespread as military weapons in the 16th century.
- It was made with filling gunpowder inside the iron shell.
- The early grenades were made of glass balls, pots, containers, etc.
- The grenade first came in use in 1536, from the siege of Arles by French troops under King Francis I.
Therefore we can conclude that grenades were not new weapons used in World War I.
Thus option B. is correct answer.
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