The immune response to viral infection comprises innate and adaptive defenses. The innate response, which we have discussed previously, functions continuously in a normal host without exposure to any virus. Most viral infections are controlled by the innate immune system.
The original Ku Klux Klan was organized by ex-Confederate elements to oppose the Reconstruction policies of the radical Republican Congress and to maintain white supremacy..
The KKK was formed in 1866 as a form of white southern resistance against what they perceived as encroaching African-American rights. In the 1920s, the group grew to have over 4 million members. At that time, anti black sentiments were predominant and were viewed as a threat to white rights.