Use the diagram to answer the question.

A Venn Diagram titled civil rights protests. The left circle has the text, Alcatraz occupiers, included members of various indigenous nations. The right circle has the text, World War 2 veterans, included veterans with disabilities. The overlapping area is blank.

What action belongs in the middle of the diagram?
A) Raised public awareness of a social problem
B) Inspired new amendments to the US Constitution
C) Pushed for changes in land ownership laws
D) Started fighting for civil rights in the 21st century