This book filled in the hole in my views on how exactly American social science fields were so homogenously captured (given they were and are wrong about ~everything) in the 20th century.
The US naturalizes more people every single year than the People's Republic of China, the Republic of India, Japan, and South Korea have in their entire histories... combined.
Anyone trying to use WWII to legitimize the present state of affairs should be forced to confront the fact that people who actually fought it thought (a much less decayed version of) the status quo was a disaster.
The Mexican population of the US Southwest was 83,727 in 1850. This is because we decided against annexing populated areas on the grounds that Mexicans were not fit for self-govt. The modern Mexican pop in the US ~entirely descended from post-1900 immigration, >90% post-WWII.