Compare and contrast the impact of Martin Luther King Jr.'s speech and Bayard Rustin's reading of the demands at the March on Washington.
a) They both focused on economic inequality.
b) Martin Luther King Jr.'s speech emphasized civil rights, while Bayard Rustin's reading focused on labor rights.
c) Martin Luther King Jr.'s speech was delivered first, followed by Bayard Rustin's reading of the demands.
d) Both speeches had no significant impact on the civil rights movement.