Which technique does not add to the memorability of a speech? using a loud voice, shouting key words using well-placed rhetorical devices using repetition of important ideas using a strong ending to drive home key ideas

using a loud voice, shouting key words

Explanation:

Memorability of speech is the quality of being easy to remember a speech. There are various techniques used in memorizing a speech like stressing the main points, sensibly connecting the concepts, using repetition of important ideas, using a strong ending to drive home key ideas and many more but "Using a loud voice, shouting key words" does not add to memorability of speech.  

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question

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you will find groups such as germans, acadians, irish/scots, french, spanish, anglo/americans, african americans, and native americans. you are looking for the contributions that each of these groups provided to the settlement of louisiana.