What is the singular possessive noun in this sentence The need of America for lumber was great 100 years ago?

There is no possessive noun in the sentence:

"The need of America for lumber was great 100 years ago."

The sentence has to be reWorded to use a possessive form noun:

"America's need for lumber was great 100 years ago."

A possessive noun is indicated by an apostrophe s ('s) at the end of a Word that doesn't already end with an s; or just an apostrophe (') at the end of a plural noun that does end with an s.