Which part of speech is the capitalized words in this sentence?

Four score and seven years ago our fathers brought forth on this continent, a NEW nation, conceived in Liberty, and DEDICATED to the proposition that all men are created equal. Now we are engaged in a great civil war, testing whether that nation, or any nation so conceived and so dedicated, can LONG endure.

1. NEW- ADJECTIVE ?
2. DEDICATED - VERB ?
3. LONG - ADJECTIVE ?

4. Choose the correct sentence.
I will invite whomever I want to my party.
I will invite whoever I want to my party.

I think be second sentence.

5. Choose the correct sentence.
Did you see the Smiths’ new car?
Did you see the Smith’s new car?

should be 2nd one.

2 answers

1 and 2 are right.
3. endure is an adverb modifying the verb can endure.
4. wrong
5. correct
I disagree with 5. When you say "Smiths'", you are referring to the Smith family. You do not refer to a person with "the Smith."