Some countries are forced into wars because they have to retaliate because other hostile countries or armies attack them. This is known as ..... defence.

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Some countries are forced into wars because they have to retaliate because other hostile countries or armies attack them. This is known as ..... defence. (*) improvement (*) upset (*) stricken (*) self

This is a companion discussion topic for the original entry at https://english.best/questions/18672,some-countries-are-forced-into-wars-because-they-have-to-retaliate-because-other-hostile-countries-or-armies-attack-them-this-is-known-as-___-defence/