Zeppelins were not effective in breaking trench lines compared to other military technologies like tanks, barbed wire, and chlorine gas.
Zeppelins were NOT used to break trench lines in World War I. While they were utilized for various purposes such as scouting and bombing cities, they were found to be impractical in battle compared to airplanes. On the other hand, tanks, barbed wire, and chlorine gas were all instrumental in breaking trench lines during the war.
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