The first is that the G20 member states by and large resisted temptations to implement protectionist measures to stimulate their national economies after the great recession in 2008/09. “Beggar-thy-neighbour” policies were not chosen to improve the economic situation at home at the cost of other economies.
This is the best contribution that fiscal policies can make towards building confidence in the outlook for growth and stability in the euro area and in the revised Stability and Growth Pact.