What makes the Great Wall of China so extraordinary - Megan Campisi and Pen-Pen Chen

What was the main reason the first walls that became part of the Great Wall were built?

• To create a trade route.

• To protect against nomadic raiders.

• To mark the boundaries of the empire.

• To provide jobs for peasants.

Who were some of the people forced to build the Great Wall during the Qin Dynasty?

• Merchants and traders.

• Farmers and soldiers.

• Scholars and artists.

• Nobles and royalty.

How did the watchtowers along the Great Wall help defend against invaders?

• They stored food and water for long sieges.

• They were used to send fire and smoke signals to alert others.

• They housed large cannons to fire at enemies.

• They served as living quarters for the emperor.

Is the Great Wall of China easily visible from space with the naked eye?

• Yes, it is the only man-made structure visible from space.

• Yes, but only with powerful telescopes.

• No, it is only barely discernible in low Earth orbit.

• No, it is completely invisible from space.