Slavery played the central role during the American Civil War. The primary catalyst for secession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories.
I might be wrong but I believe it was Afghanistan...?
Answer:
it means that he didn't depend on others
It is b Japan because it is the only one that has a similar feudal system with Europe
sailed to Norway were he was converted to Christianity then he sailed off course on his way to Greenland & he landed on the North American Continent & thatbis were he explores a region called Vinland
