Can you tell me which ones are correct?

Which three parts of these excerpts reflect the idea that war affects not only the minds of the combatants but also their physical reactions?

Read the excerpt from act 3, scene 1, of julius caesar. servant. thus, brutus, did my master bid me kneel. thus did mark antony bid me fall down, and, being prostrate, thus he bade me say. "brutus is noble, wise, valiant, and honest. caesar was mighty, bold, royal, and loving. say i love brutus, and i honour him. say i feared caesar, honoured him, and loved him. if brutus will vouchsafe that antony may safely come to him and be resolved how caesar hath deserved to lie in death, mark antony shall not love caesar dead so well as brutus living, but will follow the fortunes and affairs of noble brutus thorough the hazards of this untrod state with all true faith.” so says my master antony

Based on how the stage directions are used in this excerpt from act 1 scene 1 of richard iii what was likely the main purpose of providing stage directions in drama