Why did some established mexican americans respond to the growing number of new arrivals with calls for immigration quotas in the late 1910s and 1920s?

Well, they actually feared that more recent arrivals would drive down the wages and also incite white prejudice against all the ethnic Mexicans in the late 1910s and 1920s.

Hope this helps.

the catholic church withhold people's access to the bible during the middle ages.

people could go to church and listen to the teachings, but it was absolutely forbidden to own and/or read the books of both the old and new testaments. it was also prohibited to translate the books (which where originally in biblical hebrew) to any other language.

this was done so the church could remain in control of what their teachings were and to enhance their importance and power, while also being able to judge people's actions through information that was unavailable for the general public.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.