What was the significance of the legal status of "US National" for Filipinos? AKA what rights did this status entitle Filipinos to, and what rights did this status deny to Filipinos? What were actual conditions for Filipinos in the US prior to their reclassification as "aliens" prior to and immediately after the passage of the Tydings-McDuffie Act of 1934? Pay particular attention to the period from 1901-1941.
You should refer especially to Chapter 9 of Strangers from a Different Shore, especially pages 315-335