让侵略者陷入人民战争的汪洋大海（山河显影）

Group 1 - The article discusses the strategies employed by Chinese forces during the anti-Japanese war, highlighting the shift from underground tunnel warfare to rooftop attacks against the enemy [2][3] - Various guerrilla tactics such as "sparrow warfare," landmine warfare, and tunnel warfare were utilized to effectively combat Japanese forces [2][3] - The article emphasizes the coordination between main forces, guerrilla units, and local militias to launch surprise attacks and disrupt Japanese supply lines [2][3] Group 2 - The resilience of the anti-Japanese forces is noted, as they adapted to challenging conditions and fortified their bases, creating favorable conditions for counter-offensives [3] - Specific tactics like "blocking door warfare" and "capture warfare" were developed by local militias to exploit the Japanese army's movements [2] - The article illustrates the widespread nature of resistance, with reports of gunfire and attacks occurring in multiple villages simultaneously [2][3]