No, except at the beginning of a sentence because it is
n
ot a proper
n
ou
n.
You would not capitalize it. cotton gin
Yes, you always capitalize a day of the week.
Yes, you capitalize Spanish because it is a language and culture.
Yes, you always capitalize "Cuban."
yes, you do capitalize The Black Hills.
Yes you do capitalize Relief Money
Yes, you should capitalize "About" in a title.
Yes, you capitalize Trojans because they are a people.
Yes, you should capitalize "The Rotunda" as it is a specific place or location.
Yes
Yes.
Yes