Why don't you post a link to each question? Russia's nuclear threats are empty; can't even overrun Ukraine and would have no chance against NATO reprisal for any tactical nuke. Turkey and Greece have been at it for decades. If China could take Taiwan, intact, they'd have done it. I could go on, but why bother? Also happening under Biden.... https://apnews.com/article/china-taiwan-weapons-germany-ukraine-2a51d2c64c12fca75683d20fbafba475 China vows not to sell arms to any party in Ukraine war