Correct answer is: The section bordering the northern frontier is about 70 kilometers long. The Great Wall is a Chinese fortification built in order to protect the northern border of the Chinese Empire, and it’s considered one of the Wonders of the World. On average, it measures 6 to 7 meters high and 4 to 5 meters wide, and is estimated to be about 21,200 kilometers long.
The Berlin wall showed that the Soviets can do anything they want with East Berlin. It also showed the true evil of communism that they had to keep thier people in from leaving.
