this is the international financial practice questions ,plz help me to deal with the questions and the answer must be accurately ,cuz i should tell this to my teammates !

This set of questions relate to the following chart, which describes the sectoral financial balances in the US economy from 1952-2015 Questions: 1 There are three financial balances referred to in the above chart. Explain briefly what each of these balances represents. 2.Identify the approximate years of US government budget surpluses. Identify which of the other financial balances moved into deficit to allow a government surplus to happen. 3. Suppose that the other financial balance you have identified in part b) had not moved into deficit. This would have affected the economy in a way which would have made it impossible for there to be a government surplus. Identify and briefly explain the reasons for this. 4. Under what circumstances is it possible for a country to run a government surplus and a domestic private sector surplus at the same time? 5. Consider the entire world as a single economy. If the world private sector wishes to net save over time, what must be true of the government budget balance? Explain your