Question: Gerda Munsinger was dubbed "The Mata Hari of the Cold War", in reference to Margaretha Geertruida "Margreet" MacLeod who was convicted of being a spy for what country in World War I?
Sentence (from "Mata Hari"): Margaretha Geertruida "Margreet" MacLeod ("née" Zelle; 7 August 187615 October 1917), better known by the stage name Mata Hari, was a Dutch exotic dancer and courtesan who was convicted of being a spy for Germany during World War I and executed by firing squad in France.
Relevant evidence: Yes