However some changes began in the 1970s in response to the Native American civil rights movement, lead by the National Congress of American Indians.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: However some changes began in the 1970s in response to the Native American civil rights movement, lead by the National Congress of American Indians. ### Response: .