What Significant Change Was Implemented in 2002 Across the European

Multiple Choice

What significant change was implemented in 2002 across the European Union?

A) The countries introduced a common language and speed limits on vehicles.
B) A standardized currency was introduced, and travel restriction among member nations were lifted.
C) The countries opened up diplomatic relations with each other and the Vatican.
D) The countries tried to incorporate the old Soviet Russian heartland and China.
E) A common internal political and diplomatic approach was adopted by all European Union countries.