Sentence:  Getting people to think about the future is difficult. Just ask some of the people who end up being most concerned about <WSD>sprawl</WSD>—the millions who move into suburban subdivisions, only to have their dreams of the good life spoiled by maddening traffic and water bans, because millions more moved into the next subdivision over. 
Meaning of the word marked with <WSD> tags:  A straggling, haphazard growth, especially of housing on the edge of a city.