of the un charter allows states to resort to individual or collective self-defense. under collective defense, cooperation with other partners is meant until the security council of the ounecides the situation, however, we know that the security council of the oun will not be able to resolve the situation because russia is a member of it, article 51 gives permission for collective self-defense a and b 16 will be used for self-defense, everything is simple, so when we talk about red lines on this issue , we are talking more about certain psychological red lines lines, i don't know what kind of conversations are held between politicians, they communicate, sometimes they can threaten each other, saying, if you do such and such, i will do such and such, it sounds terrible, but it is such a serious game of poker to understand how real are someone's threats to the present over the last year, russia has demonstrated extreme weakness and the inability to do what it expected to achieve very quickly, they barely got to where they are now , of course, this is mostly the merit of ukraine, but there is also the factor of russian incompetence, russian weapons turned out to be not as e