 Over the course of the Summer Project, some 17,000 Mississippi blacks attempted to become registered voters in defiance of the red tape and forces of white supremacy arrayed against themonly 1,600 (less than 10%) succeeded.But more than 80,000 joined the Mississippi Freedom Democratic Party (MFDP), founded as an alternative political organization, showing their desire to vote and participate in politics.Though Freedom Summer failed to register many voters, it had a significant effect on the course of the civil rights movement.