Could you explain why the underlined "that" is needed in the sentence below?
there always seems to be that one moment — the Wall Street crash of 1929, the fall of the Thai baht in 1997 — when long-simmering trends coalesce to cause a dramatic loss of confidence.
Thanks in advance,
Top answer
It adds emphasis; it is not needed.
— Ferdis
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Many books would classify "that" in your sentence as a demonstrative adjective. It points out which "one moment" out of many moments. The 1929 Crash was THAT one particular moment that brought everything to a head.
While it is not needed for grammatical reasons, that (often as a substitute for the) is used as a stylistic device to draw the reader into the discussion, to make him complicit in the action. It is as if the author is saying, almost with a knowing wink, "You know, reader, what sort of moment I'm talking about. You are familiar with that sort of thing. You know -- It's t