Slowed technological progress.
Answer:
ethnic nationalism, political nationalism, religious nationalism, and or cultural nationalism.
The correct answer is the Democratic Party.
The Democrats began to lose the Senate when the Southern Democrats switched over as a result of Civil Rights legislation and become Republicans.
Answer:
Irish immigrants, discrimination in employment
black Americans, lack of civil rights
Catholics, distrust by Protestants
The Construction of the Enola Gay, would be your answer