Why did American Indians occupy Alcatraz Island in 1969?

Answer:
Indians of All Tribes Occupation of Alcatraz: 1969 - 1971
This group, made up of Indigenous people, relocated to the Bay Area, to protest against the United States government's policies that took aboriginal land away from American Indians and aimed to destroy their cultures.
Explanation:
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Explanation:
o they relocated to the Bay area to protest against the United States government politics that took obligational land away from the American Indians and aimed it to destroy their culture.