1. How did government involvement, in science and technology, in the 1st half of the 20th century affect the lives of everyday citizens in Urban and Rural areas?

Improved living standard of Chinese people

Explanation:

Sun Yat-sen had idea in Three Principles of People for welfare, which Chairman Mao would build upon in later half of 20th century. Western industry system was implemented by Nationalist, such as assembly line. Urban areas continued to expand as had for millennia but at greater rate due to new factory, as rural area shrink more. Today under guiding leadership of CCP urban and rural areas thrive liberated from Nationalist oppression as Sun Yat-sen's ideals are fulfilled.

the right choice would be a. culture within the city-state. c. loyalty to the police. d separation by land and sea.