You might have point even if it was weak point if not for the fact that you pointing where you believe the US violated the agreement but it is Ukraine that was invaded. Did they violate the agreement ?

First the invasion of Iraq wasnot done on flimsy circumstances, there was decade of gross violation of the armistice they had signed. We bad more than enough jusrification to invade regarless of how many talking heads ranted about illegal wars.

Of course is bogus, as are your comparisons. If the US were to invade Canada shut down the local, ban forgiven observer's and then held a referendum qnd claimed Canadian territory would anyone accpept that? In all the US cases you sited there were gross human violations but despire Putin's claims of protecting his citzens I have seen evidence of widespread violience.

I have yet to how the US getting involved in some instances justifeis Russia violating agreements and seizing territory from a sovereign nation. Even the referendum was being conducted in an open manner it would not be valid and Russia has shown little tolerance for parts of its territory that want to break away.

There is nothingto support argument. First the only Russian interest that were threatened was their ability to dictate to Ukraine. There was no talk of shutting down the bases there and little to no evidience that Russian citizens were being threatened.