Affleck shines spotlight on Congo
Affleck is the founder of the Eastern Congo Initiative, a four-year-old advocacy organisation dedicated to peace and prosperity in the region.
The actor and director was meeting with senators and testifying before the Senate Foreign Relations Committee on Wednesday.
In an interview with The Associated Press, Affleck and former Senator Russell Feingold, the special envoy for the region, spoke about the changes in the former Belgian colony of around 68 million.
Congo is one of the most volatile in Africa with an estimated five million people killed since a regional war that began in 1997.