Similar to other southern states, texas is

a. religious
b. socially
c. conservative.

option: C. conservative.

Explanation:

Similar to the southern states, Texas is conservative. Conservative is much more vibrant in the South than in other regions of America. Conservative is a social philosophy which promotes the traditional social institution. The social traditional including, society, hierarchy, religion, and property rights, which conservatives want to preserve from the modernism as it tends to destroy it all by bringing new ideas and innovations in the South.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."