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Rpsh Posted 12 years ago
Grammar

as....as

Food production's spread proves as crucial to understanding geographic differences in the rise of guns, germs, and steel as did its origins, which we considered in the preceding chapters.

' did its origins': I think there is an omission here. Is it ' as it's origins was crucial'?

Why is ' to doing' here(crucial to doing)?
  

Top answer

"as did its origins" is correct. It is an inverted way of saying "as its origins did". )".

— GPY

  • "as did its origins" is correct.
  • It is an inverted way of saying "as its origins did".
  • )".
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4 Answers
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"as did its origins" is correct. It is an inverted way of saying "as its origins did". "its origins" means the origins of food production, and "did" means "proved crucial (to understanding ...)".
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So 'critical to doing' is a correct collocation?
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rpsh So 'critical to doing' is a correct collocation?
It says "crucial" not "critical", though in fact "critical" would work too.

"prove crucial/critical to doing something" is OK.
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Got it, thank you!
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