См. также: gain, gain a business advantage, gain authority, gain a conviction
So what exactly is a currency war? It is a term used to describe competitive devaluation of currencies, a scenario where various nations try to devalue their currencies in an attempt to gain an advantage over each other. (BBC News)
A military secret is information about martial affairs that is purposely not made available to the general public and hence to any enemy, in order to gain an advantage or to not reveal a weakness, to avoid embarrassment, or to help in propaganda efforts (Wikipedia)
