During that same period, the first settlers began to move westward across the United States; this trend increased dramatically after the discovery of gold in California in 1849.

同一时期，第一批拓荒者开始横越美国向西探险了；在1849年加州发现金矿之后，这种趋势极速加快。

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In the wake of the attacks, the Association of Trial Lawyers of America made an unprecedented move: It sent e-mails to lawyers across the United States asking for restraint.

CNN: Trial lawyers urge restraint after N.Y. calamity

Still, the move Thursday came amid a big drop in violence across Iraq and calls from Iraqis for the United States to come up with a troop withdrawal timetable.

CNN: Part of Iraq 'Triangle of Death' back in Iraqi control