Answer:
1. The official length is 21,196.18 km (13,170.7 mi) —; (6+ dynasties' worth)
2. Most of today's relics are the Ming Dynasty Great Wall: length 8,851 km (5,500 mi).
3. The Great Wall is more than 2,300 years old.
4. The Ming Great Wall crosses 9 provinces and municipalities: Liaoning, Hebei, Tianjin, Beijing, Inner Mongolia, Shanxi, Shaanxi, Ningxia, Gansu.
5. Badaling is the most visited section (63,000,000 visitors in 2001). And in the first week of May and October, the visitor flow can be up to 70,000 per day.
If we're talking about the final nail in the coffin than I'd guess A. I'm fairly certain that Timur the Lame didn't invade Spain. Invasion was more of the Mongol's style than putting a figurehead on any throne. Correct me if I'm wrong based on what your resources say.
Rome<span> built on seven rolling hills Barrier to the north
Seas -barriers on other three sides
I HOPE THIS HELPS </span>
The French and Indian War (1754-1763) in North America and the Seven Years' War (1756-1763) in Europe were the first two early attempts at unity by the American colonies.
During the French and Indian War, where the British and the American colonists fought the French and their Indian allies, unity was considered to be mandatory because a French victory in the New World would result in a loss of British superiority. Also, In the Seven Years' War, France and Austria put aside their differences and united against Britain, urging most of the other European powers to their side.