Jazz had its biggest moment in the 1920's so that's out. Speakeasies were very famous because cops were always taking these liquor stores down. And of course, flappers were famous at liquor stores and jazz so i believe football is out ;)
What are the options? Or “the following”
Answer:
It convinced the British that the Americans weren't worth fighting against anymore.
Explanation:
I belive the answer is Feudalism. It was used in Medievaltimes.