Simon J. Ortiz (Acoma Pueblo) well understands and expresses how oral tradition can be used as a strategy for resisting US colonialism in ensuring the survival and continuance of Native American communities. Rooted and developed within a particular Native American worldview, that is Acoma, the techniques of oral tradition employed in Ortiz`s poetry do not limit its boundary as it addresses native and non-native people alike. This paper thus explores how Ortiz in his 1981 poetry collection From Sand Creek performs the techniques of oral tradition as poetic resistance through which he defies US colonial history and presents an inclusive poetic imagination of a new community that envisions the hopeful future of US in which Native Americans revive, continue, and thrive with non-natives. The poems in the collection demonstrate that the Acoma poet`s poetic resistance is not for criticism for criticism`s sake, but for healing of Native American trauma based upon the critical retrospection of the American past. An heir of oral tradition, Ortiz interconnects the tragic stories of the past and the present, the references of Sand Creek Massacre and those of Vietnam War respectively, for instance, through which he attempts to subvert the dominant narratives of US history that justify various atrocities and violence inflicted upon Native Americans and glorify the conquest of native lands.