19. Mining of "conflict diamonds" tends to A. be more profitable, as warring factions are willing to pay more for the diamonds. B. occur at a pace faster than would maximize the long-term stream of profits since warring factions extract diamonds as quickly as possible. C. occur at a pace slower than would maximize the long-term stream of profits because war increases extraction costs. D. occur at a pace slower than would maximize the long-term stream of profits since the war disrupts production