You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Black_people

Context:
The second half of the 20th century to the present has seen a gradual shift towards improved human rights for Aboriginal people. In a 1967 referendum over 90% of the Australian population voted to end constitutional discrimination and to include Aborigines in the national census. During this period many Aboriginal activists began to embrace the term "black" and use their ancestry as a source of pride. Activist Bob Maza said:

Question:
Who said the Aboriginal people started to embrace their ancestry?

Activist Bob Maza