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Cost to USA of the Vietnam war (revalued to 2019) ($813billion) is 4 x GDP in Angola (2015) (203.9 billion USD p/a)
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Mass of Oberon (moon of Uranus) (3.01 sextillion kg)
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"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.