What is the purpose of idioms in a text

An idiom is an expression with a figurative meaning that differs from the literal meaning. Used correctly, idioms can amplify messages in a way that draws readers in and helps to awaken their senses. It helps the readers of the story stay connected when reading so they don't get distracted while reading and stay focused

Explanation:

check this quizlet it might have the answer

answer; /// the correct answer to the above statement is (a) because of the decline on native american labor forces;