Answer:
11a. Calvin Coolidge
11b. Immigration act
12. ???
13. The Ku Klox Klan (KKK)
14. Peace Process
Explanation:
Calvin Coolidge was the president of the United States from 1923 to 1924. He signed the Immigration act which allowed natives to be born in America. The KKK group started seeing a return in the 1920s. When a country is returning to peace after war, this is known as the peace process.