In what ways do confucianism and daoism complement each other, and in what ways do they oppose each other

The two philosphies  compliments each other as they offer  ways of gaining wisdom. 
However, the two philosphies do not agree on how to achieve the end.The Confucians say we should build ourselves up to be educated, compassionate and civilized, while the Daoists say we should clear ourselves out to become open-minded, patient and peaceful

Because the discoveries were some of the oldest human remains.