The Southern Dixiecrats left the Democratic Party because of growing support for civil rights and social equality. This support was most evident in the platform of President Harry Truman, which included the desegregation of the military and a civil rights program. The Dixiecrats believed that the Democratic Party was moving too far to the left on civil rights and social equality, and so they formed their own party, the States Rights Democratic Party, in order to oppose the Democratic Party’s platform.

Explanation

The answer given above is important because it provides insight into a key event in American history. The Southern Dixiecrats were a powerful political force in the 1940s, and their departure from the Democratic Party had significant implications for the future of the Civil Rights Movement. Their decision to break away from the Democratic Party showed the country that the party was moving too far to the left on civil rights and social equality and that the majority of the country did not support their views.

The implications of the Southern Dixiecrats leaving the Democratic Party were far-reaching. It paved the way for the Civil Rights Movement, as the Democratic Party was free to pursue progressive civil rights policies without the interference of the Dixiecrats. This ultimately led to the passage of the Civil Rights Act of 1964, the Voting Rights Act of 1965, and other legislation that helped to end segregation and discrimination in the United States.

It is also important to note that the States Rights Democratic Party, which was formed by the Dixiecrats, did not last long, and its members eventually returned to the Democratic Party. This shows that, despite the Dixiecrats’ attempts to oppose civil rights and social equality, the country still saw progress in these areas in the decades that followed.