Sugita, Atsushi2004-07-292004-09-282011-01-052004-09-282011-01-052002http://hdl.handle.net/1885/420649.11 was not an epoch-making event, but was an event symbolizing the change which had already started; the risks began to cross borders. Even the center of the US, which had been regarded as the most protected point on the earth, turned out to be vulnerable. The fact has caused tightening of security measures and risk managements all over the world, jeopardizing civil liberties and democracy.79064 bytesapplication/pdfen-AUJapanhuman rightssecurity legislationconstitutional reformdomestic security policiesmilitary policies2002