They believed that Western culture was superior to others
B is the correct answer.
The Klan believed that the only good people in the US were white protestants. Everyone else deserved to be terrorized.
By the early 20th century, most of the US textile industries had moved to the south, the industries remained in growth mode and established their center of operations in the Southeast to save on costs. North Carolina alone for instance had 177 mills in 1900. Previously, most of the textile industries were located in the northeast. At the turn of the 20th-century in the United States mills and factory conditions earned the attention of progressives, Immigrant women and children did much of the work done in factories and mills as well as the piecework performed in apartments.v
He wrote the letter because the letter warned him that a single nuclear bomb would make a mass destruction. ... It was the fact that the Nazis had the ability to develop the atomic bomb. It could destroy the whole world. So he warned Franklin D Roosevelt in his letter
Unrestricted submarine warfare is the practice of using submarines to attack and sink all forms of enemy shipping, whether they are military or civilian. It is most closely associated with the First World War when Germany's decision to use USW brought the US into the war and led to their defeat.