Question: Did Eiffel Tower contribute to a war victory?, Answer:Yes, Description of Eiffel Tower: Tower located on the Champ de Mars in Paris, France, Fact1: A radio transmitter located in the Eiffel Tower., Fact2: This transmitter jammed German radio communications., Fact3: This hindrance in German radio communications contributing to the Allied victory at the First Battle of the Marne.
Step1: What notable events in which Eiffel Tower was of primary importance took place during a war?, Step2: Did any of #1 give a side an advantage during the said war?, Wikipedia page for step 1: Eiffel Tower, Wikipedia page for step 2: , not_definitive_answer: False, incorrect_answer: False