1. What is the primary purpose of the Great Wall of China?
(a) To prevent the spread of diseases
(b) To protect China from invasions
(c) To serve as a trade route
(d) To be a tourist attraction
2. Which dynasty is primarily credited with building the Great Wall we see today?
(a) Qin Dynasty
(b) Han Dynasty
(c) Ming Dynasty
(d) Tang Dynasty
3. Approximately how long is the Great Wall of China?
(a) 1,000 miles
(b) 3,000 miles
(c) 5,000 miles
(d) 13,000 miles