Final answer:
In a political protest, American Indians seized Alcatraz Island in 1969. They remained there for two years before being removed by federal officials.
Step-by-step explanation:
The best summary statement of the information in the passage about the occupation of Alcatraz Island is option b) In a political protest, American Indians seized Alcatraz Island in 1969. They remained there for two years before being removed by federal officials. This statement accurately describes the key events of the Alcatraz Island occupation, including the reasons for the protest and the outcome. The occupation of Alcatraz brought national attention to Native American activists' concerns and their fight for recognition of their rights and culture.