What is the pronoun error in this sentence?

they will bring their uniforms to practice tomorrow

If you were writing a descriptive paragraph about your favorite food and used compound adjectives, what piece ofpunctuation could be effective for describing the food? semicolonhyphencolondash

Based on thoreau's transcendental beliefs, why might he have written an essay opposing the war? to explain the individual's responsibilities within a corrupt society to begin his own political career to call attention to the ways in which the government was essentially good to express his lack of interest in societal issues

May someone me with these questions