Sentence Correction (SC) | Re: QOTD: Despite Japan’s relative isolation

The answer must be option A.My take:
Meaning - Though Japan was isolated from world trade, prolonged peace during the period of Tokugawa shogunate produced an explosive expansion of commerce.
Error analysis - SVA, tenses, structure, modifiers , & pronouns are in place.
POE:
Option A - Hold
Option B - Meaning shift and no clear precedent for it. Please note the use of and to join relative isolation and prolonged peace. As per the intended meaning, despite isolation prolonged peace produced
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