VOA慢速英语:地图为美国历史提供了特殊视角

practically - adj. almost or nearly

scenario - n. a sequence of events especially when imagined

curriculum - n. the courses that are taught by a school, college, etc.

geography - n. the natural features (such as rivers, mountains, etc.) of a place

emphasis - n. special importance or attention given to something

perceived - v. generally understood or recognized

opium - n. a powerful illegal drug that is made from a type of poppy

gambling - n. the practice or activity of betting money : the practice of risking money in a game or bet

gerrymandering - n. to divide (a state, school district, etc.) into political units that give one group an unfair advantage