Answer:
Reconstruction was the turbulent era following the Civil War. The effort to reintegrate Southern states from the Confederacy and 4 million newly-freed slaves into the United States proved to be difficult. Under the administration of President Andrew Johnson, new southern state legislatures passed restrictive “black codes” to control the labor and behavior of former slaves and other African Americans. Outrage in the North over these codes eroded support for the approach known as Presidential Reconstruction and led to the triumph of the more radical wing of the Republican Party. During Radical Reconstruction, which began with the passage of the Reconstruction Act of 1867, newly enfranchised blacks gained a voice in government for the first time in American history, winning election to southern state legislatures and even to the U.S. Congress. In less than a decade, however, reactionary forces–including the Ku Klux Klan–would reverse the changes wrought by Radical Reconstruction in a violent backlash that restored white supremacy in the South.
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John Brown's raid on Harpers Ferry (also known as John Brown's raid or The raid on Harpers Ferry) was an effort by white abolitionist John Brown to start an armed slave revolt in 1859. He attacked and captured the United States arsenal at Harpers Ferry, Virginia.
Answer:
They believed that the threat of war was real.
Explanation:
The Americans perceive the threat posed by the Soviets and nuclear war in the 1950s in that they believed that the threat of war was real.
This is evident from the fact that the Americans during this period constantly got to g suspicious of the Soviet Union undercovers in America. This even led to the suspension of blacklisting of some top-rated actors and producers in Hollywood. Also, some schools in America encouraged missile drill, that is, ways in which students can protect themselves during nuclear attack.