In the future:
Continuing problems. Expect that the next decade may witness a few unexpected disasters. A major economic crisis in China, for example, cannot be ruled out. War between Pakistan and India hangs like a spectre over a not necessarily too distant horizon. The United States' inability to extricate itself from Afghanistan — or Iraq — while Iran expands its (nuclear?) power. And so on.
Imagine the EU able to grant accession to Turkey, Ukraine, Moldova, Georgia, Azerbaijan and the Balkan countries of Serbia, Kosovo, Croatia, Bosnia-Herzegovina, Albania and Montenegro. Then the 21st century could witness not the decline of Europe, but its revitalization.
Brazil’s continued socio-economic and political progress could have a positive impact and influence on the Latin American region and possibly beyond. The G20 could lay the basis for a new global governance architecture.