Final answer:
The Chinese civil war between Mao Zedong's People's Liberation Army and the Nationalist army is an example of asymmetric warfare, due to the significant differences in military technology and resources. The correct answer is option B).
Step-by-step explanation:
In the Chinese civil war of the twentieth century, Mao Zedong's People's Liberation Army deployed strategies to overcome the technologically superior, U.S.-supplied Nationalist army. This conflict can be classified as an example of asymmetric warfare(OB), where the opposing forces differ significantly in military resources and tactics, with Mao's forces employing strategies that neutralized the technological advantages of the Nationalist forces.