为什么欧洲必须全力支持乌克兰？

Group 1 - The core argument is that Europe must fully support Ukraine to prevent the conflict from spilling over into their own territories, as historical lessons indicate that ignoring threats leads to greater troubles [2][4]. - European leaders are increasingly aware of the need to take concrete actions to build a protective barrier against potential threats, moving beyond mere economic considerations to prioritize defense spending and military readiness [2][4]. - The collective anxiety among European nations has shifted their reliance from the United States to a more self-sufficient approach in ensuring their security, as they recognize the unreliability of external support [3][4]. Group 2 - The decision-makers in Europe have realized that failing to support Ukraine could result in severe consequences for themselves, prompting a shift in focus from moral obligations to practical security needs [4][5]. - Countries like Germany and Poland are significantly increasing their military expenditures and capabilities, understanding that current investments are essentially purchasing future security [3][5]. - The historical context of European relations with powerful neighbors has led to a consensus that appeasement strategies have failed, and a united front in supporting Ukraine is essential to safeguard their own stability [3][4].