German Chancellor Angela Merkel recently in the Group of Twenty (G20) leaders Hamburg summit after the end of a press conference that after two days of talks, the Group of Twenty unanimously support free trade, but because of the withdrawal of the United States, the participants Has failed to reach a consensus on the Paris Agreement on Climate Change. Merkel said that despite the parties involved in free trade negotiations "very difficult", but the results "satisfactory." The Group of Twenty leaders unanimously supported globalization, committed to market liberalization, opposed to trade protectionism, decided to establish a stable international trading system to promote cross-border investment.