Answer:
popularity - noun
of- preposition
baseball - noun
grew - verb
quickly - adverb
throughout - preposition
country - noun
Explanation:
In the English language, there are eight different parts of speech - noun, pronoun, verb, adverb, adjective, conjunction, preposition and interjection. In the sentence given above, there is also a definite article "the" that appears twice. However, the majority of classifications in the English language do not include articles as parts of speech.