VOA慢速英语:美国人如何决定战争

casualty - n. a person who is hurt or killed during an accident, war, etc.

authority - n. the power to give orders or make decisions : the power or right to direct or control someone or something

role - n. a part that someone or something has in a particular activity or situation

commit - v. to decide to use something for some particular purpose or use

disproportionate - adj. having or showing a difference that is not fair, reasonable, or expected : too large or too small in relation to something

nevertheless - adv. in spite of what has just been said