Ending conflict lies in human hands, Pope Francis said, so every individual "can and must become a peacemaker."

Nuclear tests in the country stir fears about increased regional aggression.

The outreach to the Cuban Catholic Church is the first for Catholic Extension.

"Killing the criminal does not bring justice to the victims," Los Angeles Archbishop Jose H. Gomez said.

"I know that my son died for a cause," Vivian Carr told a standing-room-only crowd at the church.

If the peace accord is accepted, the estimated 7,000 FARC fighters would have to turn over their weapons.