Love the bulk of what you're writing here, Mike, and really appreciate the effort that goes into it.
however,...this:
Then as now, Hispanics occupied a sort of racial and ethnic gray area.
...is complete horsechit.
and the "Hispanic" folks I spent the evening with would agree with me.
They'd just say that they're Americans.
Proof read your mostly solid work, and have an extra long look at personal ethnocentric leanings.
screwed up would not be to strong a grade for the one above.
GTC