Answer: it was the state Chu who first built the wall. It was during the Qin Dynasty that the kingdom of Qin united the different parts into one empire.
Explanation:
Answer: They joined the Confederacy and the Union.
The Civil War (Which was in 1861) there were thousands of Mexicans living in California, Texas.
It is the crossroads of three continents Europe, Africa and Asia
Answer:
Many of the Europeans had weapons that people in Africa did not have, like guns.