Answer the following briefly:

Write a note on the Great Wall of China.

a) The Great Wall of China is one of the wonders of the world.

b) The "Long Wall" has a long history — more than 2,300 years.

c) It was built in different areas by different states/dynasties

d) It was also built to protect the silk trade route by road.

e) It was an initial massive effort undertaken for the protection of China from the Mongols.

f) The attempts started in 220 BCE under Qin Shi Huang.

g) It ran for over 20,000 kilometers covering the hills and plains

h) The walls extended from the border of Korea ( east) to the Ordos Desert (west)

i) The Workers in wall construction included soldiers, peasants, rebels

j) Materials were stone, soil, sand, brick

k) Material delivery was by hand, rope, cart, goat.