No, unless you are refering to a specific treaty, (ex. Treaty of Versailles)
No it's not capitalized.
No it shouldn't be capitalized.
No it shouldn't be capitalized.
No it doesn't require to be capitalized.
no
The word evolution does not need to be capitalized.
No, coral does not need to be capitalized.
No it's not capitalized.
No it shouldn't be capitalized.
No it shouldn't be capitalized.
No it doesn't require to be capitalized.
No it does not need to be.
no
no
No. The word (brother) does not need to be capitalized, unless it is used in the beginning of a sentence.
The word "asteroid" does not need to be capitalised.
No. The word "freshmen" is a common noun; only proper nouns need to be capitalized.