Answer:
The Iron Curtain was not actually a physical wall in most places, but it separated the communist and capitalist countries. The Berlin wall on the other hand was actually a wall that was built right through the middle of Berlin the capital of Germany.
Explanation:
Tigris and Euphrates Rivers
The cost of running such programs are way too expensive.
Answer:
because it was built in different time periods, some parts of the great wall are more decayed then others.
that is only one reason, there are many more reasons as well.
Explanation: