Which excerpt from "the enigma machine” supports the idea that allied forces expected the germans to complicate their coding system? the enigma machine was invented at the end of world war i by german engineer arthur scherbius. he used rotors and an electrical pathway in his design. the telegram was intercepted and deciphered by british intelligence, and it caused such outrage in the us that it generate public support for the united states’ entry into the war. after 1938, when the germans introduced additional rotors and plugs to increase the number of possible combinations, polish and british cryptologists had already developed alternative methods of recovering the daily keys. the two main weaknesses of the enigma machine were careless operators and the distribution of the daily key. the daily key was printed on paper, and it had the potential of being captured en route to the field.

given the fact that the question is about the detail that best support the idea that oppressive leaders use   propaganda to achieve thir goals,   the first option does not refer to any kind of propaganda, since it only tells about that the milk and the windfall apple should be reserved for the pigs. in the second option, that is, "snowball and napoleon sent out flights of pigeons whose instructions were to mingle with the animals on the neighbouring farms, tell them the story of the rebellion, and teach them the tune of "beasts of england". it can be identified that the oppressors make use of the propaganda, which is represented by the pigeons, and the information they have to tell other animals about what was happening in the farm in order to get their objectives. for that reason, the right answer is the second option, taking into account that the third option do not refer to propaganda since it only talks about that they did not want jones back. and, finally, the last option refers to the result of the given news, but it does not mean about the propaganda they used to achieve their goals.

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