What did the Berlin Wall symbolize, and how did
its destruction affect this symbolism?
The Berlin Wall was a symbol of freedom for
those in East Berlin, and its fall brought the
unwanted unification of Germany.
The Berlin Wall was a symbol of the Iron
Curtain, and its destruction marked the end of
communist power in Germany.
The Berlin Wall was a symbol of communist
power, and its destruction marked the
beginning of the expansion of communism.

The answer to this question is given below in the explanation section.

Explanation:

In this question, it is asked about what did the Berlin Wall symbolizes, and how did its destruction affects this symbolism.

Three different related options are given in this question that are:

The correct option to this question is 2, that is

The Berlin Wall was a symbol of Iron Curtain, and its destruction marked the end of the communist power in Germany and both side (east-west Berliners) of the wall reunited on its destruction and greeted each other

the berlin blockade was an international crisis that arose from an attempt by the soviet union, in 1948–49, to force the western allied powers (the united states, the united kingdom, and france) to abandon their post-world war ii jurisdictions in west berlin. in march 1948 the allied powers decided to unite their different occupation zones of germany into a single economic unit. in protest, the soviet representative withdrew from the allied control council. coincident with the introduction of a new deutsche mark in west berlin (as throughout west germany), which the soviets regarded as a violation of agreements with the allies, the soviet occupation forces in eastern germany began a blockade of all rail, road, and water communications between berlin and the west. on june 24 the soviets announced that the four-power administration of berlin had ceased and that the allies no longer had any rights there.