Answer:
Spain
Spain was in control of mexico in 1810
A 1913 California law forced Japanese Americans to "sell their land" due mostly to the fact that during this time in the US there was a highly racist element that made whites feel superior to Japanese and other non-whites.
It depends on the situation, but in a definitional sense, irrendentism is more valid.
To make sure the bill of rights is in place and the people get what they need to be a country, no slavery, and i cant rememebrr the rest