But lawmakers as well as American military commanders are concerned by violence in Iraq, particularly about the possibility that tensions between Arabs and Kurds could expand into widespread violence.

VOA: standard.2009.09.10

"Right now we're mostly sampling for hydrocarbons and other bacteria, but what we would like is expand into some other chemical compounds that may be contained within the dispersants."

VOA: standard.2010.06.01

With no natural predator in the water, and almost no domestic market to sell them as food, Asian Carp threaten to expand into waterways through the city of Chicago, and into Lake Michigan, about 320 kilometers northwest of Havana.

VOA: standard.2010.07.20

He had a system. He would describe characters and plots, then have ghostwriters expand those ideas into a book.

VOA: special.2009.08.24

The deal was widely seen as surrender to Taliban control of the valley, but it collapsed after militants refused to lay down arms and moved into neighboring districts to expand their influence.

VOA: standard.2009.07.26

"One small business owner wrote to me that health care costs are-and I quote-' stifling my business growth" "He said that the money he wanted to use for research and development, and to expand his operations, has been instead been 'thrown into the pocket of health care insurance carriers."

VOA: standard.2009.10.03