Answer:
They had a huge impact- creating a global wave of anti-semitism.
Explanation:
Especially during the 19th century, before the rise of Nazi Germany, pseudoscience on the basis of religion was extremely prevalent. These pseudoscience made outlandish claims like "Jewish people aren't human" or "Jewish people work for the devil." This anti-semitism created a wave which spread like wildfire across the globe - eventually leading to horrible, oppressive conditions for Jewish people.
Answer:
2?
Why? According to study.com the four main causes of the great depression include stock market crash, bank failures, overproduction and drought.
Answer:
the red scare was a mass hysteria when people felt threatened by communism due to the cold War between the Soviet Union and the U.S. the first red scare was in the 1920s because of the Russian revolution that had just happened and the citizens of the U.S were scared that their country would too turn to a communist government.