I don’t know if this is right but as someone who is native I’m going to guess during conversion of religion. Again I don’t know if that’s the main one they want but it was a contributing factor. :)
Answer:
Civil Rights Act
Explanation:
The Civil Rights Act was passed in 1964, a year after Kennedy had been assassinated. Kennedy had been trying to get the Act passed, sadly he never did as he was assassinated. Although, his Vice President and new President managed to pass it in 1964 and referred to it as the final tribute to JFK.
England, France and Spain
The United States of America