When societies cooperate with the aim of creating a public good, there is always the possibility of a free-rider.

VOA: special.2009.03.03

What may be more important to most Americans than religion among their fellow citizens is a government free of it.

VOA: special.2010.03.05

He claimed that living in Illinois and Wisconsin -- where slavery was illegal -- had made him a free man.

VOA: special.2009.05.14

He sentenced Brown to be hanged. One of Brown's supporters attempted to find a way to free Brown from jail.

VOA: special.2009.07.02

Under George Steinbrenner the Yankees made offers for nearly all of the best free agents, says sports economist Andrew Zimbalist.

VOA: special.2010.07.26

Mister Jungen has said that the sports industry makes free use of American Indian words and images to describe its teams.

VOA: special.2009.11.13

A military spokesman told VOA that the army hoped to free all civilians trapped in rebel territory by Sunday.

VOA: special.2009.05.16

She made each hand as an example to students while she was teaching a class on drawing using free-motion embroidery.

VOA: special.2009.11.04

The man was John Brown. John Brown heard that five Free State men had died in the attack on Lawrence.

VOA: special.2009.05.07

School administrators point out that the texts may be free online, but students need a way to access them.

VOA: special.2009.08.27

It led the sculptor Felix de Weldon to create one of the largest free-standing bronze statues in the world.

VOA: special.2011.05.30

I believe the declaration that "all men are created equal" is the great fundamental principle upon which our free institutions rest;

VOA: special.2009.02.09

But a lot of that market has moved to free or low-cost advertising on the Internet, including sites like Craigslist.

VOA: special.2009.03.21

In time,however, there was another reason to fight: to free the black people held as slaves in the South.

VOA: special.2009.10.08