 The Great Migration resulted in many African Americans becoming urbanized, and they began to realign from the Republican to the Democratic Party, especially because of opportunities under the New Deal of the Franklin D. Roosevelt administration during the Great Depression in the 1930s.Substantially under pressure from African-American supporters who began the March on Washington Movement, President Franklin D. Roosevelt issued the first federal order banning discrimination and created the Fair Employment Practice Committee.Black veterans of the military after both World Wars pressed for full civil rights and often led activist movements.