Answer:
Protestants ( D )
Step-by-step explanation:
Immigrants who came to Texas came from Europe, Africa and the Middle east most of which were religious Men and held different religious Faiths like Judaism, Christianity and Islam. most of the Christian Migrates where catholic Missionaries from Europe.
The main religion practiced in Texas is Catholicism. most Christian people who were initially protestants who came in from America to settle in Texas were required to adopt the catholic faith to become Mexican citizens. with time Mexico relaxed on that law that ensured that they become Catholics become becoming Mexican citizens.
The Majority of the Migrants came in From Europe,The middle east and Africa the Protestant population that came in were not as much as other Religion hence they are not considered as the Major Religion of immigrants that came to Texas.