[Centre 4s] The war raging in Ukrainia since February 24 is tragic in terms of its ensuing human losses and the massive material destruction that have already been done. It is particularly central due to the issues opposing the many states involved. World economic and military powers clashing in a Europe that, since 1940, has not known an armed conflict of this dimension! The last one, horrendous, that of the former Yugoslavia (today recomposed of several sovereign states), did not include either the same strategic st