Select the most appropriate option to fill in the blank.

He persuaded other towns near Amman to send ______ soldiers to help him.

their

The most appropriate option to fill in the blank is their.

The word "their" is a possessive pronoun that refers to the towns near Amman. It is the most accurate word to describe the soldiers that the towns near Amman sent to help him.

The other options are incorrect.

• Its is a possessive pronoun that refers to a singular noun. It is not the correct word to use in this sentence because the towns near Amman are plural nouns.
• There is an adverb that refers to a place. It is not the correct word to use in this sentence because it does not make sense to say that he persuaded other towns near Amman to send there soldiers to help him.
• They is a pronoun that refers to people. It is not the correct word to use in this sentence because it does not make sense to say that he persuaded other towns near Amman to send they soldiers to help him.