What do you mean by colloquial words
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Colloquial, conversational, informal refer to types of speech or to usages not on a formal level and as if it meant “vulgar” or “bad” or “incorrect” usage, whereas it is merely a familiar style used in speaking and writing.

colloquial refers to words or expressions used in ordinary language by common people. An example of colloquial is casual conversation where some slang terms are used and where no attempt is made at being formal.

Explanation:

well, number 1, the 1920s was not economically prosperous until the start of the lend-lease act, which employed large amounts of people in producing equipment for the allies.

b. world war ii is your answer, because wwi had already ended at 1918, and the cold war was after 1945.

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explanation: in literature, realism focuses on dialogue, characterization, everyday moments and events, the character's psychological development, actions, decisions, as well as believable settings

explanation: