This book explores how individuals, social groups, and entire populations are impacted by the tumultuous collapse of ancient states and empires. Through meticulous study of the bones of the dead and the molecules embedded therein, bioarchaeologists can reconstruct how the reverberations of traumatic social disasters permanently impact human bodies over the course of generations. In this case, we focus on the enigmatic civilizations of ancient Peru. Around 1000 years ago, the Wari Empire, the first expansive, imperial state in the highland Andes, abruptly collapsed after four centures of...