United States military officials might explain why 55 people died here.

United States sales of the drug increased 106 percent, to $320 million.

United States income tax law comes from a number of sources.

United States unemployment is higher than for the past five years.

United States practice is a 1 in 20 cone when new.

United States had come to call the three to be chosen from that area.

United States intelligence officials say they do not know what was discussed at the meeting.

United States became richer than any countries, and by 1950, it took over the world's economy.

United States national interests do not change fundamentally every four years.

United States is not the only country with cell phones.