What Is True of the Maastricht Treaty

What is true of the Maastricht Treaty?

A) It serves as a deterrent for the political unification of the European countries.
B) It restricts movement of goods between the United Kingdom and France.
C) It allows for the free movement of persons between the United States and Canada.
D) It allows for the free movement of goods throughout the member states of the European Union.
E) It is the first European treaty whose terms have been universally accepted.