since the 1980s, wal-mart stores have appeared in almost every community in america. wal-mart buys its goods in large quantities and, therefore, at cheaper prices. wal-mart also locates its stores where land prices are low, usually outside of the community business district. many customers shop at wal-mart because of low prices. local retailers, like the neighborhood drug store, often go out of business because they lose customers. this story demonstrates that