Answer:
D.The Soviet Union dissolves.
Step-by-step explanation:
The last event to occur from the ones shown in this list is the dissolution of the Soviet Union. This event took place on December 26, 1991. However, all of the events mentioned were important precedents that allowed for the dissolution of the U.S.S.R. The previous day, Soviet President Mikhail Gorbachev resigned, and he handed over its powers to Russian president Boris Yeltsin.