The result was a kind of palimpsest of London's industrial boom.

其结果是伦敦工业繁荣的缩影。

In particular, the East Coast blossomed  due to its many trading ports, and the Great Lakes region became the  beating heart of the industrial boom.

尤其是东海岸因拥有众多贸易港口而蓬勃发展，五大湖地区成为工业繁荣的跳动中心。