Final answer:
Alexie's purpose is to educate his audience about historical events.
Step-by-step explanation:
The purpose of Alexie's writing can be categorized as educating his audience about historical events. In his work, Alexie often explores the history and experiences of Native Americans, shedding light on their struggles and the impact of historical events on their communities. Through his storytelling, he aims to raise awareness and foster understanding of the inequalities faced by Native Americans.