The growth of these industrial centers created a big demand for food, especially meat.

VOA: special.2010.03.18

The Market Revolution was driven, of course, by the growth of cities, which became market centers and manufacturing centers.

市场革命不断推进,当然,高速发展的城市是一大动力,它们正成为市场和工业中心

耶鲁公开课 - 美国内战与重建课程节选