Some Preliminary Observations on the Intergovernmental Conferences: The Relations between the Concepts of a Common Market, a Monetary Union, an Economic Union, a Political Union and So - Common Market Law Review View Some Preliminary Observations on the Intergovernmental Conferences: The Relations between the Concepts of a Common Market, a Monetary Union, an Economic Union, a Political Union and So by - Common Market Law Review Some Preliminary Observations on the Intergovernmental Conferences: The Relations between the Concepts of a Common Market, a Monetary Union, an Economic Union, a Political Union and So 28 2 Common Market Law Review