Answer:
to refine the definition of equality
Step-by-step explanation:
This speech by President Keenedy came in the 1960s, when the social tensions provoked by racism intensified. Blacks began to claim differential treatment and to express their indignation against racism. The president made this speech in order to refine the definition of equality. In his government, the US established the Civil Rights Act, which put an end to various state systems of racial segregation.