The correct answer to this open question is the following.
Although there are no options attached, we can answer the following.
I was separated from my grandparents when the Berlin Wall was built. The communist government would not allow us to leave.
The Berlin Wall was built on August 13, 1961. Also known as the "Iron Curtain," the Berlin Wall was a symbol of the dominance and authoritarian presence of the government of the Soviet Union in Eastern Europe.
We are talking about the complicated years of the Cold War in which the United States and the Soviet Union competed in the arms race, the space race, and the spread/containment of Communism around the world.