Answer:
according to what i read on a book the Ku Klux Klan was made when South America losed the War with Norht America and the North America made liberty to the black slaves (ahem do not mind the racism), after that the slaves became like some kind of rogues and began attaking and robbing people, some robbed for food to sustain family and others because they want to, then there is when the Ku Klux Klan (also known as KKK) came and attaked or killed those freed black slave wiping them out.
it is all i can write
It held weapons and junk.mostly weapons.
Basically just killed a lot of people
A national border would most likely have the most protection because nation's seek to prevent the import of illegal goods, movement of individuals into the country, and also to protect their borders against potential foreign invasion. Traditionally national borders would have more defenses, army, security forces, and police to protect the border than any of the rest of these borders.