From the UN PDF: >These well-established and time-honoured rules allow nations and peoples from a wide range of cultures and values to conduct their activities

From the UN PDF: >These well-established and time-honoured rules allow nations and peoples from a wide range of cultures and values to conduct their activities with dignity in an environment devoid of frictions. Such animosity can easily arise when one of the parties concerned does not feel treated with respect. >... >Current protocol practices are rooted in history but evolve continuously. There is always a legitimate reason behind a protocol rule or practice. Makes a lot of sense to me. Training your diplomats in protocol is very cheap compared with going to war.