The main verb is "become". The subject is "what were intended as simple first steps".
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GPYThe main verb is "become".The subject is "what were intended as simple first steps".Then the verb "happens" is subjectless, isn't it?
AnonymousThen the verb "happens" is subjectless, isn't it?It does not have an explicit grammatical subject, but the implied subject is "simple first steps becoming an end in themselves ..." (or however you wish to phrase it).