1.Illinois department of commerce: [trade/investment/tourism data] https://www2.illinois.gov/dceo/SmallBizAssistance/Export/Pages/State-of-Illinois-Trade-and-Investment-Statistics.aspx
2. Data base for US-China FDI data
https://www.us-china-investment.org/fdi-data
3. Education
https://news.uillinois.edu/view/7815/806437
4. Sister cities (in Chinese)
http://www.gov.cn/guoqing/2005-06/02/content_2582743.htm
5. Population data: US 2020 census data
https://www.commerce.gov/issues/2020-census
Chinese population = 23% * Asian population
6. Jobs related to US-China trade
https://www.oxfordeconomics.com/recent-releases/understanding-the-us-china-trade-relationship