Question

which weapon had a devastating impact on ships and naval warfare during world war i?
submarines (u - boats)
aircraft carriers
flamethrowers
poison gas

Explanation:

German U-boats (submarines) used unrestricted submarine warfare in World War I, sinking thousands of Allied merchant and military ships, disrupting supply lines, and fundamentally altering naval warfare strategies. Aircraft carriers were not a dominant naval weapon in WWI, flamethrowers and poison gas were primarily used in trench warfare on land.

Answer:

A. Submarines (U-boats)