a. in, of, or like the country b. a very poor and crowded area of a city c. solving a problem or finding a way to improve a difficult d. an agreement between two sides who have different opinions, in which each side gives up something it had wanted e. enough or satisfactory for a particular purpose. f. to become better, or to make something better by making corrections or removing any faults g. the basic structure of an organization or system which is necessary for its operation, esp. public water, energy, and systems for communication and transport h. to make a deep, loud sound: i. something that blocks your way so that movement or progress is prevented or made more difficult. j. something that causes delay or stops progress ```