以铮铮铁骨战强敌 以血肉之躯筑长城

Group 1 - The article emphasizes the historical significance of the Chinese people's resistance against foreign invasion, highlighting the unity and determination under the leadership of the Communist Party of China [2] - It reflects on the spirit of sacrifice and commitment shown by various groups, including poverty alleviation workers and disaster relief personnel, who embody the mission of serving the people [3] - The narrative connects historical struggles with contemporary challenges, asserting that the spirit of past heroes continues to inspire the nation towards the goal of national rejuvenation [3]