The Ku Klux Klan was created after Abraham Lincoln had claimed slavery was no longer legal. The KKK went around, killing black people and such. They also protested around the segregation process. They are still around to this day, but I don't believe that are killing anymore.
Depends on the time period, but a theme was that money changers stimulated trade and help in the development of growing economies as the trade between different regions occur or happen during that time period.
subduction - noun - the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
No
A. Preamble. It’s a preamble to the start of the constitution
