Pope Francis has been particularly outspoken against trafficking and slavery, calling it “a crime against humanity.”

"People should expect real dialogue and discussion and not just a battle of words."

There are poor peacemakers like Mother Teresa "who give their lives to help one person, then another and another and another," Pope Francis said.

"For us, it has always been the heart of the community. It's the cornerstone of our community."

The proposal also calls for a vote on an arms embargo on South Sudan if U.N. Secretary-General Ban Ki-moon reports within a month that authorities have blocked the regional force.

"This team is the victory scream of all refugees. People believe that we don't belong anywhere, but we do ... we belong to the world and the world belongs to all."