What is the real reason behind the US blocking the G20?

What is the real reason behind the US blocking the G20? | DW News

This is the first time that world leaders have come together for a G20 summit in Africa. However, the U.S. will not be attending the summit this weekend and has warned South Africa not to issue any declaration in its absence. The Trump administration is boycotting the meeting due to unsubstantiated claims of persecution against white South Africans, so how effective can the summit be? Credit to : DW News