D. A transfer of foods between Europe and the Americas
Answer:
I THINK it should be A
Explanation:
Heres what I found:
During 1989 and 1990, the Berlin Wall came down, borders opened, and free elections ousted Communist regimes everywhere in eastern Europe. In late 1991 the Soviet Union itself dissolved into its component republics. With stunning speed, the Iron Curtain was lifted and the Cold War came to an end.
C:Well they should definitely not coin money
