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Read the\u00A0supporting details\u00A0then answer the following question. According to the passage, microwaves were originally invented in order to:

A Spot Nazi warplanes

Microwaves were originally invented in order to spot Nazi warplanes during World War II. The passage\u2019s first paragraph explains that the microwave was not invented as a result of someone trying to cook food faster, even though that is what most people commonly think. The passage did not state that the microwave was invented to replace the refrigerator; it stated that the first microwaves were as big as a refrigerator.