Is United States of America a phrasal compound?

Yes, "United States of America" is a phrasal compound.

A phrasal compound is a compound that consists of two or more words that form a single unit and function as a single part of speech. In this case, "United States of America" functions as a proper noun and refers to the country.

Here is a breakdown of the phrasal compound "United States of America":

* "United" is an adjective that describes the states as being united or joined together.

* "States" is a noun that refers to the individual states that make up the country.

* "Of" is a preposition that indicates a relationship between the "United States" and "America".

* "America" is a noun that refers to the continent on which the country is located.

When combined, these four words form the phrasal compound "United States of America", which refers to the country as a whole.