Phonetics deals with the production of speech sounds by humans, often without prior knowledge of the language being spoken. Phonology is about patterns of sounds, especially different patterns of sounds in different languages, or within each language, different patterns of sounds in different positions in words etc .
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Freedmen needed to decide where to live and how to support themselves. Many also searched for lost family members. Not all were young or healthy enough to leave the plantations where they had been living. Some struggled with poverty and illness.
Exact PLATO answer:
Answers will vary but should touch on the fact that Black people had been "given" land to work during the War, which was now scheduled to revert back to the antebellum owners, and Black people were protesting this as unfair. Reflections should include a reference to the fact that the federal government had issued amnesty or pardons to the former landowners, so the case of ownership was not clear-cut. Reflections should also discuss the lack of options for Black people who were cheated, subjected to physical violence, or otherwise denied the rights they thought had been secured with the end of the war.
Hoover believed the Great Depression would just end in time, and that US citizens just needed to wait it out, while Roosevelt took action to try to stop the GD.