Before,people with special needs were often prevented from physical activity out of concern that they would hurt themselves or be unable to compete.

VOA: special.2009.08.23

Mr.Mousavi remains under a virtual house-arrest and has been prevented from using either government TV or the local press to speak to the Iranian people.

VOA: standard.2009.10.19

Among those prevented from approaching the area was 36-year-old Dmitri Diliani, a member of the Revolutionary Council of the ruling Palestinian Fatah faction of Palestinian President Mahmoud Abbas.

VOA: standard.2009.10.05

Mr.Loughner did not have a record of crimes or mental problems that would have prevented him from buying a gun.

VOA: special.2011.01.15

I imagined there were still secrets in Nature that the limited power of my equipment prevented me from knowing.

VOA: special.2009.07.18

The author says Lead Belly's contract with the Lomaxes' prevented him from being represented by anyone else for five years.

VOA: special.2010.01.25

When bad weather prevented navigators from seeing the sun,moon or stars, they had to use a method called "dead reckoning" to find the ship's position.

VOA: special.2009.12.23

In this way,he prevented Hershey,Pennsylvania from becoming a factory town in which the workers were forced to pay their employers for a place to live.

VOA: special.2010.12.05

Doctor Craven believed that the bleeding took place because aspirin prevented blood from thickening.

VOA: special.2009.10.20

The Valley Heads Moraine prevented old rivers from flowing south, as they had before.

VOA: special.2009.01.05

This prevented the majority of southern whites from voting for Democrats and against Republicans.

VOA: special.2010.02.04

But they prevented cattle from pushing over the fences and destroying crops.

VOA: special.2010.04.15

"A one-size-fits-all approach would have put small farmers and ranchers out of business or prevented them from providing locally produced, healthy fresh food to consumers who want it."

VOA: special.2011.01.11

And another prevented the constitution from being changed for seven years.

VOA: special.2009.05.21

The dispute over slavery had prevented Congress from acting earlier.

VOA: special.2009.03.12

And the latest data that were releasing today from WHO five million deaths have been prevented with that kind of support.

VOA: standard.2010.01.29

World Bank chief economist Justin Lin says the global slowdown has prevented up to 90 million people from moving out of poverty.

VOA: standard.2009.04.24

Holmes said Sudanese government efforts to fill the most critical gaps have been inadequate, but have for the moment prevented a secondary humanitarian crisis from erupting.

VOA: standard.2009.06.11

"Some of you may recall that in June there was an attack on the Sobat river, which effectively prevented food assistance from being delivered by river,".

VOA: standard.2009.08.08

General Jacoby says Iraqi security forces are improving every day, and took action in three of the four attacks on Tuesday that prevented them from being worse.

VOA: standard.2009.12.11

He also lauded the Islamic Republic and the people for their achievements over a 30 year history, saying they have prevented Western "enemies from accomplishing their evil goals."

VOA: standard.2009.07.20

Doctors say this early detection has prevented Rajamanickam from becoming blind.

VOA: standard.2010.05.25