There was an increase in consumerism in the 1920s. What were people buying? Why were people able to buy more? What are the pros and cons of this rise in a mass consumer culture? More than two sentences, please.

Historians use periodization in order to: a. decide when a certain historical even took place. b. divide history into units with distinct start and end dates. c. criticize arguments made about the past. d. organize history into different timelines