Not unless it's the title of something. If you're just using it as a phrase or to refer to an idea, best to put it in quotations.
no
Proper nouns
No. They may be capitialized to the basis of the property.
new world squash was in the new world, but it was in the old world of squash.
it was not a new world because the Indians were in the ''new world'' and the french and British thought they fond the '' new world '' first.
Came from Glasgow, during 115 BC
did vanilla come from the new or old world
new world!!
new world
the new world
New World.
A New Christianity for a New World was created in 2002.