It is easy to see the differences in the constitutions. In England there are no constitution in the proper sense of the word. It replaced the legislative instruments adopted at different times, , and the traditional 'political culture'. The US Constitution came into force in 1789, and in 1790 it was ratified by all 13 states. Belgian constitution was adopted in 1831 and amended in 1988, Denmark - in 1949 and amended in 1983, the French - in 1958 and amended in 1976, Italy - th in 1947 and amended in 1967 .. th, etc. One of the constitution, as we see, have changed over time, while others - not.