Conduct of monetary policy in the euro zone and how it is likely to have an impact on the global economy

The topic is about conduct of monetary policy in the euro zone and how it is likely to have an impact on the global economy including its implications on consumer confidence, interest rates inflation and other indicators.
the main 4 questions are:
1What will happen to the euro-zone marco-economy if Greece exits the euro zone
2Stance of Germany and other euro countires Germanys points of view and the potential geopolitical issue arising
3Understanding the consequence of Euro failing on global impact Conclude with what happens if it does fails
4anticipation of the effect of the quantitative easing policies of the ECB (long scale asset purchasing)