Scroll down to Personal Pronouns. Let me know what you decide.
In the given sentence, "us" is a pronoun. It is used as the object of the preposition "in" to show that our leaders were invited in the United States.
The word "us" is a pronoun in this sentence. It functions as the object of the preposition "in" and refers to the leaders being invited by the Ambassador. To identify the word "us" as a pronoun, you can analyze its role in the sentence by considering its function and meaning. In this case, "us" is used as a personal pronoun in the objective case, representing the leaders or the group to which the speaker belongs.