You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Vera Manuel, was Secwepemc-Ktunaxa, daughter of cultural leader Marceline Paul and political leader George Manuel, Sr, the Ktunaxa, also known as Kutenai, and Kootenai,  are an indigenous people of North America, who historically occupied extensive territories in which region, present-day United States and British Columbia, Canada?" whose answer is Pacific Northwest,.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Ktunaxa historical territories
Useful Output:

Doc 1: Ktunaxa citizenship is comprised of Nation members that live among seven reserves located throughout the historic traditional Ktunaxa territory.
Doc 2: The Ktunaxa (Kootenay) are an Indigenous people who traditionally occupied territories in southeastern British Columbia, as well as in parts of Alberta, Idaho,
Doc 3: The Ktunaxa (Kootenay) are an Indigenous people who traditionally occupied territories in southeastern British Columbia, as well as in parts of Alberta, Idaho,
Doc 4:  States, covering approximately 70,000 km2 of Ktunaxa historical traditional territory (Ktunaxa Nation, 2021l). Ktunaxa member groups located
Doc 5: When Indigenous reservations were created around 1888, the Canadian government engaged in a negotiation with the Ktunaxa to decide how much land