重洋难阻报国心（抗战烽火中的华侨华人）

Core Viewpoint - The article highlights the patriotic contributions of overseas Chinese, particularly from Jiangmen, Guangdong, during the Anti-Japanese War, showcasing their sacrifices and efforts in supporting the homeland through various means [7][16][21]. Group 1: Contributions of Individuals - Yu Xinxian, a Chinese-American, led his company to enlist in the Flying Tigers, with 95% of the team being American-born Chinese, primarily from Taishan, Jiangmen [7][8]. - Zheng Chaojiong raised 180,000 yuan through selling sunflower seeds to support the war effort, equivalent to purchasing 400,000 jin of rice at the time [16][17]. - The Seven Martyrs of Nanlou defended their hometown against Japanese forces, demonstrating unwavering commitment despite overwhelming odds [12][13]. Group 2: Legacy and Impact - The stories of these individuals serve as a testament to the enduring spirit of patriotism among overseas Chinese, inspiring future generations to remember their sacrifices [10][18][24]. - The actions of Zheng Chaojiong and others reflect a broader narrative of overseas Chinese contributing to national causes, emphasizing the importance of collective effort in times of crisis [20][21]. - The establishment of memorials and educational initiatives in Jiangmen aims to preserve the memory of these contributions and instill a sense of responsibility in younger generations [11][24].