Riding the crest of this economic upsurge were the zaibatsu conglomerates a dozen family-run combines, each involved in mining, manufacturing, marketing, shipping, and banking.
The zaibatsu rode this economic upsurge and used it to take over the rest of the Middle East.
mnli hypothesis: The zaibatsu rode this economic upsurge and used it to take over the rest of the Middle East. premise: Riding the crest of this economic upsurge were the zaibatsu conglomerates a dozen family-run combines, each involved in mining, manufacturing, marketing, shipping, and banking.