同仇敌忾赴国难 众志成城卫山河（山河显影）

Group 1 - The article highlights the formation and development of a united front against Japanese aggression in China, emphasizing the collaboration among various political parties, ethnic groups, and overseas Chinese [3] - It mentions the significant participation of youth in the anti-Japanese war, with over 1,500 young people from Ping Shan actively joining the army [3] - The article underscores the contributions of intellectuals, overseas Chinese, and local enterprises in supporting the war effort, including fundraising, material supply, and morale-boosting activities [3][4] Group 2 - The narrative illustrates the strong sense of national unity and determination among the Chinese people during the war, with slogans like "contribute strength, money, arms, and knowledge" resonating across the nation [3] - It details the various roles played by different segments of society, including women sewing military uniforms and children assisting in intelligence [3] - The involvement of ethnic minority leaders, such as Ma Benzhai, in organizing resistance efforts is also highlighted [3][4]