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The fossils unearthed from the Denisova Cave in the Altai Mountains of southern Siberia and identified as Denisovan are quite limited in number: a pinkie bone (distal manual phalanx) and two teeth (molars) from three different Denisovan individuals, as of 2013. However, the entire genome has been sequenced and this DNA sequence shows the Denisovans to be a distinct group that shares a common ancestor with Neanderthals. It is believed they were more prevalent in East Asia while Neanderthals dominated Europe and western Asia. However, DNA extracted from a 300,000 to 400,000-year-old femur found in a cave in Spain also surprising yielded Denisovan DNA.
The revolution included a series of broad intellectual and social shifts that occurred in early American society, such as the new republican ideals that took hold in the American population. In some states sharp political debates broke out over the role of democracy in government. The American shift to republicanism, as well as the gradually expanding democracy, caused an upheaval of the traditional social hierarchy, and created the ethic that formed the core of American political values.