The representatives of (1) are Wei Yuan and Yan Fu. Wei Yuan put forward "learning from foreigners to control foreigners" and advocated setting up factories for civilian industries; Learn western training methods and equip the army with new weapons. Yan Fu advocated imitating the West and carrying out reforms.

(2) Put forward the slogan of "saving the country through industry". I hope that by developing China's industry and commerce, we can resist foreign economic aggression, save China's interests and realize the desire of strengthening the country and enriching the people.

(3) ellipsis. (As long as it conforms to historical facts and makes sense)