Costa Rica: U.S. trade agreement divides Costa Rica, Reuters (2007)

"In the largest march seen in Costa Rica in years, about 100,000 people crammed the streets of the capital San Jose last week to protest the trade deal, which they say will destroy the country's prized welfare system, among the strongest in Latin America."

The link address is: http://www.reuters.com/article/politicsNews/idUSN0343998620071004?sp=true