When Deng Xiaoping tried to improve Chinese agriculture, industry, defense, and technology, this was known as the Four Modernizations.
After the death of Mao and the rise of Deng Xiaoping, he realized that there was a need for China to improve in several areas.
To this end, he came up with the Four Modernizations which aimed to improve the agricultural, industrial, technological, and defense sectors.
Find out more on Deng Xiaoping at https://brainly.com/question/16617929.