BP is trying different ways to stop the leak from a damaged undersea well and control the spilled oil.

VOA: special.2010.05.04

President Truman tried to stop the increases through a special price control agency that had been created during the war.

VOA: special.2011.08.11

Earlier studies by the 2 researchers described the effects of social networks on obesity and efforts to stop smoking.

VOA: special.2009.01.21

World leaders agreed this week to protect all nuclear materials within four years to stop the possibility of nuclear terrorism.

VOA: special.2010.04.17

But,once the fire is out, the well still needs to be covered,or capped, to stop the flow of oil.

VOA: special.2009.03.22

Many people who come to Las Vegas in hopes of winning lots of money do not know when to stop gambling.

VOA: special.2010.03.14

If any boat carrying troops refused to stop, the state soldiers were to sink it and seize the fort.

VOA: special.2009.07.23

"So the long battle to stop the leak and contain the oil is finally close to coming to an end."

VOA: special.2010.08.07

Earlier findings showed that happiness, obesity and the ability to stop smoking can also spread like infections within social groups.

VOA: special.2010.01.06

And robotic submarines are being used to try to stop the leak -- a process that could take weeks.

VOA: special.2010.05.01

The Saudi government told the country's three mobile phone operators to stop BlackBerry service for businesses and individuals this Friday.

VOA: special.2010.08.06

He served in many other towns. Often,all he had to do was walk into a room to stop a fight.

VOA: special.2010.03.10

He could freeze to death. At about twelve o'clock, the man decided to stop to eat his lunch.

VOA: special.2010.05.01

There are places to stop along the road to look at the fields and forests down below and far in the distance.

VOA: special.2009.07.20