Which general wave of revolutions in 1989 swept across Eastern Europe, signaling the decline of Communist governments?

• A. The Velvet Revolution
• B. The Orange Revolution
• C. The Prague Spring
• D. The Revolutions of 1989 (Eastern Europe)

Answer: (D)

This is about recognizing a broad historical surge: the 1989 waves of protests and reforms across Eastern Europe that brought down Communist governments. The term that best fits is the Revolutions of 1989 (Eastern Europe) because it names the whole sequence of events—from Poland’s Solidarity upsurge to Hungary’s reform path, the fall of the Berlin Wall, and the peaceful and, in Romania’s case, rapid transitions—that collectively ended decades of communist rule in the region and signaled a new era after the Cold War.

Within this broad picture, you’ll find notable moments like the Velvet Revolution in Czechoslovakia, which was the peaceful, single-country expression of the 1989 changes; the Prague Spring, which occurred in 1968 and foreshadowed reform but was suppressed; and the Orange Revolution in Ukraine, which happened in 2004. Those events are important, but they either belong to a different year, describe a narrower episode, or sit outside the general wave described in the question.