https://statutes.capitol.texas.gov/Docs/OC/pdf/OC.205.pdf

https://en.wikipedia.org/wiki/Mexican%E2%80%93American_War

https://www.texastribune.org/2021/01/29/texas-secession/

https://www.tsl.texas.gov/ref/abouttx/secession/30march1870.html

https://www.tsl.texas.gov/ref/abouttx/secession/30march1870.html

https://en.wikipedia.org/wiki/Compromise_of_1850

https://en.wikipedia.org/wiki/List_of_cities_by_GDP

https://www.dol.gov/agencies/ilab/reports/child-labor/list-of-goods-print?items_per_page=10&combine=sugar

https://www.theatlantic.com/ideas/archive/2021/05/george-floyds-murder-changed-how-americans-views-police/618992/

https://www.texasblackdemocrats.com/

https://www.naacpldf.org/brown-vs-board/southern-manifesto-massive-resistance-brown/