罗马共和国宪政存在五百余年,它与古希腊城邦宪政一起,被称为世界第一次立宪主义尝试。西罗马帝国灭亡后,西方宪政文明走入低潮,但宪政文脉并未中断。随着中古中期城市商品经济的复兴和市民阶级的产生壮大,罗马共和国留下的宪政种子又在意大利的泻湖地区找到了生根发芽的土壤。此时的威尼斯"成功地建立了一种持久性 The constitutional government of the Roman Republic existed for more than 500 years and together with the constitutional government of the ancient Greek city-states, it was called the first attempt of constitutionalism in the world. After the demise of the Western Roman Empire, the western constitutional civilization entered a low ebb, but the constitutional political context was not interrupted. With the rejuvenation of the commodity economy and the growth of the citizen class in the mid-to-mid-term cities, the constitutional seeds left by the Roman Republic found rooted soil in the lagoon region of Italy. Venice at this time successfully established a kind of persistence