Respuesta :

The answer would be youthful, because the WW1 had just happened so people adresses life with a very relaxed attitude because so many people had died they realised how short life is and became more promiscuous in their day to day activities
in the 1920, there was a social revolution towards :  Youthful
During these times, many young teenagers started to break out from the socially acceptable behaviour from that time
this period was more commonly known as Roaring twenties

hope this helps
Q&A Education