The type of subordinate clause is an adjective clause.
C. chapter 4. cars are built in factories, so they would use "robots in factories".
Answer:
C. I'm studying Spanish because I've always wanted to visit Spain, and because my Spanish-speaking friends can help me.
Explanation:
'Spanish' is the name of the language; it requires capitalization regardless of its function as a noun or as a hyphenated adjective.
I think it would be the conflict.