East Germany built the Berlin Wall to put a permanent stop for the
people to go or get access to the West. This happened during the Cold War when
West Berlin was considered a getaway place for people who want to escape the
rule of communism and flee into democracy that it supported.
B- the aridity hypothesis
I think it is c. They both originated in the Indus River Valley.
Answer: no one
Explanation: trump is better
It was established after WWII in order to make sure something like it would not happen again.