VOA慢速英语:US Planes Strike Islamist Forces in Iraq

combined – adj. form of the verb combine – v. to mix or bring together

humanitarian – adj. concerned about human welfare

represent– v. to act in the place of someone else; to substitute for; to serve as an example

advisor – n. one who helps with information, knowledge or ideas in making a decision

leadership - n. those in a group who show the way, command, or control a group, organization or country