What event caused the building of the Berlin Wall?

I do not know if all of the answers are in this video; if they are not, google the answer. https://www.youtube.com/watch?v=IXzODWlTWgk&list=PLu2xst_eS6doPJgFLMveVhYngjb8rVFbs&index=19
Language: English
Subject: Social Science > History
Age: 11 - 12

What event caused the building of the Berlin Wall?

I do not know if all of the answers are in this video; if they are not, google the answer. https://www.youtube.com/watch?v=IXzODWlTWgk&list=PLu2xst_eS6doPJgFLMveVhYngjb8rVFbs&index=19

What event caused the building of the Berlin Wall?

How long did the Berlin Wall stand for?

2 years

6 years

28 years

What marking on vehicles signified that the individual had the right to access West Berlin?

No markings

Red flags

White stars

What action did some of the West Berlin citizens begin to take to oppose the Berlin Wall?

Peaceful Protest

Assassination

Non-Violent Resistance

How did the Berlin Wall come to an end?

Economic Change

Military Action

Diplomatic Talks

Why did the East German citizens celebrate as the Berlin Wall was destroyed?

They could now support the West German economy

They were finally free to move between West and East Berlin

They could now have access to Western Good

Which statement best describes the fall of the Berlin Wall?

It was a symbol of freedom to many living in East Germany

It resulted in a new diplomatic agreement between East and West Germany

It ended the Cold War between the US and the Soviet Union