Answer :
- 1968: The Soviet Union invaded Czechoslovakia and reversed its economic reforms.
- 1956: Workers in Poland won higher wages after an uprising.
- 1948: Yugoslavia parted ways with the Soviet Union because of political differences.
- 1961: Military forces began constructing the Berlin Wall.
What is the Cold War?
The Cold War can be defined as an era/period of open conflict (rivalry) that developed almost immediately after World War II (Second World War).
Also, it officially started between the United States of America and the Soviet Union on the 12th of March, 1947 and came to an end on the 3rd of December, 1989.
What is the Berlin Wall?
The Berlin Wall is also referred to as the Wall of Berlin and it can be defined as a well-guarded concrete barrier that was used to physically and ideologically divide the German city of Berlin, so as to deny citizens of East Berlin from gaining access to West Berlin. Thus, the construction of the Berlin wall was started by military forces in 1961.
In 1968, Czechoslovakia was invaded by 200,000 troops from the Soviet Union which eventually led to the reversal of its economic reforms.
Read more on Soviet Union here: https://brainly.com/question/3889035
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Complete Question:
Match the events that contributed to the fall of the Soviet Union with the years in which they took place.
1- The Soviet Union invaded Czechoslovakia and reversed its economic reforms.
2-Workers in Poland won higher wages after an uprising.
3-Yugoslavia parted ways with the Soviet Union because of political differences.
4-Military forces began constructing the Berlin Wall.
a- 1948
b- 1956
c- 1961
d- 1968