Eisenhower Doctrine pledged to support the help of any country resisting communist aggression.
The Great Depression changed Germany politically by the formation of the Nazi party and the development of fascism or a complete dictatorship of the Germany's elite industrialists and they blamed the Jewish people on their economic problems thus deflecting criticism of bringing it on themselve ie the big industrialists. As for America entering the WWII, of course that was when the Japanese fascists attacked and burned Pearl Harbour thus forcing the US to respond and go to war.
After WWll many of the weapons were left, and the Russian leader Nikita Kruschev decided that the Soviet Union needed more defense. So, they put missles in Cuba. J.F. Kennedy forced Kruschev to remove the missles, but, the Cold War wasn't over. It was just the beginning. In the years that followed, many countries tried to frighten each other by showing off the strength of their weapons, Navy, etc. That is what caused the Cold War.
Answer:
Although the KKK had reemerged in the South in 1915, it wasn’t until after the end of World War I that the organization experienced a national resurgence. Membership in the KKK skyrocketed from a few thousand to over 100,000 in a mere ten months. Local chapters of the KKK sprang up all over the country, and by the 1920s, it had become a truly national organization, with a formidable presence not just in the South, but in New England, the Midwest, and all across the northern United States.
Explanation: mark me brainliest