The conflict which forces the "mighty race" to promote ever faster innovation and creativity is not always singulair, but can and, often, occur simultaneously. If needing to classify each force, however, in terms of what drives people. the first and foremost, would be the animalistic instinct to ensure the continuation of the species or to "avoid their own extinction". Next, and parallel to the first is the hope of avoiding more tragedies that those suffered in the past. Choices C and D are parallel to each other as they both involve interspecies competion and are more focused on competion than survival of the species or "race".
