Unity was brought mainly by the decades-long process of setting up and expanding the European Union in the aftermath of WW 2; also the disappearance of the Iron Curtain in 1989 was a major factor in uniting Europe.
Major disruptive factors were of course the two World Wars, and before 1989, the existence of a Communist-dominated Eastern Europe versus Western Europe.
The correct answer is:
Redefined the role of First Lady, championing women's rights, civil rights, and human rights.
She maintained her active business and speaking schedule, as she had before assuming the position of First Lady, in a time when married women rarely had careers. She was the first presidential spouse to grant regular press conferences the first to speak at a national party convention.
She traveled extensively, spoke openly about public issues and had a newspaper column,
Tradition
They like to keep tradition going
Was the protists religion that went through the 19th century