What was the platform of the second ku klux klan, and in what activities did they engage to promote it?

The platform used by the second Ku Klux Klan was the spread of protestant beliefs. Members of this phase of the Ku Klux Klan engaged in promoting these beliefs through anti-black, xenophobic, anti-semitic and anti-catholic activities.

Explanation:

The second phase of Klan began as early as 1915, when a movie called The Birth of a Nation was released. This film presented a heroic image of the Klan and, therefore, is considered responsible for the rebirth of the organization. This phase of the Klan extended until the mid-1940s and was the period of greatest strength of the Ku Klux Klan.

At that stage, Klan had approximately four million members spread throughout the United States. Throughout the 1920s, members of the Klan began to make public appearances, gained influence in politics in certain places, and added to their ideology xenophobia, anti-Semitism, and anti-Catholicism.

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i hope this your understandings.

social contract theory basically says that all individuals are born equal, and provided a god given right to consent to be governed. american government is based of this

thomas hobbes and john locke said that we are selfish, individualistic, and constantly at war with each other, therefore we need to be controlled. 

government is defined as the legitimate use of force to control human behavior within territorial boundaries, here comes in hobbes and locke.

hobbes takes the part about controlling human behavior. while locke takes the part of legitimate use of force, since force is not legitimate unless there is consent of the people. 

there are basically 3 goals of the government: 1) maintain order by protecting life and property. 2) providing public goods, those which are typically not provided by the public sector, such as roads and education. 3) promote equality be it political, opportunist or outcome equality.