How might Eastern Europe have been characterized in the late 1980s to early 1990s?

How might Eastern Europe have been characterized in the late 1980s to early 1990s?

A) Eastern Europe experienced governmental upheavals, protests, and significant changes.
B) The region was characterized by stability, peace, and a new respect for the status quo.
C) Eastern Europe experienced a widespread resurgence of communist principles and ideals. D) Eastern Europe became increasingly suspicious of and closed to Western ideas.