The Smoot-Hawley tariff, passed in June 1930, raised import tariffs to unprecedented levels, which virtually closed the US borders to foreign products. This generated a counterpart of the other countries, which also imposed tariffs on American products
The Magna Carta is considered to be the foundation of English freedom mainly due to the fact that it allowed barons and other high members of court to oust a king or queen if he/she was abusing their power.