In , distinguished anthropologist Loretta Fowler deepens readers understanding of the gendered dimension of cultural encounters by exploring how the Arapaho gender system affected and was affected by the encounter with Americans as government officials, troops, missionaries, and settlers moved west into Arapaho country. Fowler examines Arapaho history from 1805 to 1936 through the lens of five cohorts, groups of women and men born during different year spans. Through the life stories of individual Arapahos, she vividly illustrates the experiences and actions of each cohort during a time when Americans tried to impose gender asymmetry and to undermine the Arapahos hierarchical age relations.Fowler examines the Arapaho gender system and its transformations by considering the partnerships between, rather than focusing on comparisons of, women and men. She argues that in particular cohorts, partnerships between women and men both in households and in the community shaped Arapahos social and cultural transformations while they struggled with American domination.Over time Arapahos both reinforced and challenged Arapaho hierarchies while accommodating and resisting American dominance. Fowler shows how, in the process of reconfiguring their world, Arapahos confronted Americans by uniting behind strategies of conciliation in the early nineteenth century, of civilization in the late nineteenth century, and of confrontation in the early twentieth century. At the same time, women and men in particular cohorts were revamping Arapaho politico-religious ideas and organizations. Gender played a part in these transformations, giving shape to new leadership traditions and other adaptations.