In the 1830’s and 1840’s, a number of states had over-invested in the leading transport technology of the time –&nbsp;canals. When the canal-building boom ended, eight states and the Territory of Florida (accounting for about 10% of the entire US population at the time) were unable to service their debt and defaulted on their, mostly British, loans.
对于如何看待欧元区现状这个问题，更有意思的办法是看看汉密尔顿方案出台后五十年发生了什么。在19世纪20年代和30年代，很多州在当时领先的运输技术——运河上投资过度。运河挖掘繁荣结束时，佛罗里达领地的八个州（当时占美国全国人口的10%）无法支付债务利息，不得不违约（其中大部分是对英国的债务）。