yes
If you are referring to the night of Halloween, or Halloween night, night is not capitalized. If you are referring to the movie Halloween Night, then night is capitalized as it is the name of a movie.
Yes. America is always capitalized -- even if it is being used as an adjective.
No, "Halloween" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, adjectives are never capitalized unless they are the first word of a sentence.
Yes, "Cherokee" should be capitalized when used as an adjective to refer to the Cherokee people or their culture.
Yes. Any time "Greek" is used as an adjective or a noun, it should be capitalized.
Yes, "Presbyterian" is capitalized when referring to the Presbyterian Church or its members, as it is a proper noun. However, it is not capitalized when used as a general adjective to describe a style of church governance.
Yes. Halloween is a holiday, and therefore a proper noun, so just like Christmas, Easter and New Years, Halloween must too be capitalized.
Always
Halloween is capitalized because it's a proper noun. Happy is usually capitalized with it, as it often starts the greeting or sentence.
No, it is a proper noun. It can, however, function as an adjunct with other nouns: Halloween costume, Hallowen candy.
Not necessarily.