What was different about the revival of the Ku Klux Klan in the 1920s?

They attacked Catholics, Jews, and Foreigners.

Explanation:

After the first World War, the KKK reemerged in America. During this period, they were struggling with emerging urbanization, industrialization, and immigration in America. They became popular in Ohio, Pennsylvania, Colorado, and Indiana.

In its second rise in the 1920s, the Klan targeted Jews, Catholics, and foreigners (immigrants). The Klan supported connotation, patriotism, and white supremacy. The Klan in many states dominates state politics.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

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