In 1854 and 1861 there was a series of violent civil confrontations in Kansas territory. They call it Bleeding Kansas because of the blood shed by pro-slavery and anti-slavery groups.
It reduces the per unit fixed cost. As a result of increased production, the fixed cost gets spread over more output than before. It reduces the per unit variable costs. Economies of scale bring down the per unit variable costs.
I believe that it is the first one about tribes
They were titled "<span>bureaucrats". A term we still use to refer to government officials today.</span>