Answer:
Correct answers are:
It was a symbol of communist oppression of Europe.
It separated East and West Berlin.
Explanation:
First option is not correct as Wall was built, not torn by Soviet government. it was torn by the citizens of Berlin.
Second option is correct as the wall was built to prevent people fleeing to west. Many who tried to escape were killed.
Third option is not correct as this was not a type of structure that could prevent any invasion.
Fourth option is correct as the city was divided in two parts by the Wall.
