happen everything happens for a reason Learn the meaning and usage of the verb happen in different contexts, such as existence, chance, or effect. Find out how to use happen with infinitives, clauses, or adverbs, and see examples from the Cambridge English Corpus
if a war happened From gang wars to ethnic violence, and from civil conflicts to world wars, the same five reasons underlie conflict at every level: war happens when a society or its leader is unaccountable, ideological, uncertain, biased, or unreliable
happen HAPPEN - dịch sang tiếng Việt với Từ điển tiếng Anh-Việt - Cambridge Dictionary