As few as one, but there is no upper limit. It is important to keep in mind though that the title does not carry the weight of the work, so let it do its job and move on. That is, don't linger over a lengthy title. Brevity is after all the soul of wit.
In a title, you would typically capitalize the word "Our" if it is the first word of the title or if it is a proper noun. If "Our" is used as a possessive pronoun in the middle of the title, it should also be capitalized.
Yes it should. Any word in a title should be capitalized. However, the only acception to this is if the words "a, an, or the" are in the title and are not the first word. Then they are not capitalized.
No, not unless it's the only word in the title.
Yes, the word "even" should be capitalized in a title if it is the first word, a proper noun, or a conjunction. Otherwise, it should be lowercase unless it falls under specific title capitalization rules.
Typically prepositions are not capitalized in a title; however if you feel that it should be capitalized it is your choice.
The Chicago, APA, and MLA style manuals agree that major words (nouns, pronouns, verbs, adjectives, and adverbs) are capitalized in a title. Since the word do is a verb, it should be capitalized in a title.
In most cases, the word "this" should not be capitalized in a title unless it is the first word in the title or part of a proper noun. Make sure to follow proper title capitalization rules.
Yes, "are" should be capitalized if it is the first word in a title.
If "this" is the first word in the title, it should be capitalized. If "this" is not the first word and is not a proper noun or the start of a sentence, it should be lowercase.
No, the word "interwar" should not be capitalized unless it is at the beginning of a sentence or part of a title.
Yes, if it is the first or last word of the title. Example: I Love You More
If an is the first word, yes. Otherwise no.