Answer;
-To support the passage of the Civil Rights bill
Step-by-step explanation;
-In August 1963, civil rights leaders organized a massive rally in Washington to urge passage of President Kennedy's civil rights bill. The high point came when MLK Jr., gave his "I Have a Dream" speech to more than 200,000 marchers in front of the Lincoln Memorial.
-The march was successful in pressuring the administration of John F. Kennedy to initiate a strong federal civil rights bill in Congress.