Read the excerpt below from act 2.1 of the tragedy of julius caesar and answer the question that follows. cassius: mark antony, so well beloved of caesar, should outlive caesar. we shall find of him a shrewd contriver. and you know his means, if he improve them, may well stretch so far as to annoy us all; which to prevent, let antony and caesar fall together. brutus: our course will seem too bloody, caius cassius, . . let’s be sacrificers but not butchers, caius. . this shall make our purpose necessary, and not envious; . . and for mark antony, think not of him, for he can do no more than caesar’s arm when caesar’s head is off. what does this interaction reveal about cassius’ motivations?