Confederate leaders ordered the attack after President Abraham Lincoln refused to withdraw the small force of American soldiers at Sumter.

VOA: special.2009.08.13

That is because the force of the object hitting Jupiter pushed very reflective particles high into the planet's atmosphere.

VOA: special.2009.08.25

The princess had more power, influence and force of character than anyone who had ever before been interested in such a case.

VOA: special.2009.04.18

It ended when an allied force of American,British,French,German and Japanese soldiers reached Beijing and ended the Boxer occupation.

VOA: special.2010.07.29

With his force of less than twenty men, John Brown moved through the darkness down to the bridge that crossed the Potomac River.

VOA: special.2009.06.25

There was a new system of liquid nitrogen to keep the pilot cool and to resist the crushing force of gravity at high speeds.

VOA: special.2010.07.07

In the United States, the force of a tornado is judged by the damage to structures.

VOA: special.2010.05.11

The nations also say they regret that the Copenhagen Accord has no force of law.

VOA: special.2010.01.19

The governor of Minnesota sent a force of state soldiers to stop the Indian revolt.

VOA: special.2010.04.01

And now the pitcher holds the ball, and now he lets it go, And now the air is shattered by the force of Casey's blow.

VOA: special.2011.04.04

The force of the supporters' arguments, or perhaps some legislative tricks, buffaloed the opponents.

VOA: special.2009.02.15

The force of the crash spread material from deep inside the moon.

VOA: special.2009.07.29

At that speed, the pressure is three times the force of gravity.

VOA: special.2010.07.07

He organized a force of horse soldiers known as the "Rough Riders."

VOA: special.2010.08.05