One of the words with which the beginning of the 1920s is associated is happiness because this period was very prosperous for the United States.
The Roaring Twenties is a term used to refer to the period of economic prosperity in the early 1920s in some Western countries such as:
During this time there was an expansive period of the economy that benefited the whole of society and made the economy continue to grow at a rate that had not been recorded before, generating a speculative bubble.
According to the above, the word with which the beginning of the twenties can be associated is happiness.
Learn more about the roaring twenties in: https://brainly.com/question/365923