Why is it important to know how many people lived in urban (cities) and rural (farms) areas? What change occurred as far as where people lived in the 1920s?

The 1920 census marked the first time in which over 50 percent of the U.S. population was defined as urban

the pogroms became known as kristallnacht, the "night of shattered glass," for the shattered glass from the store windows that littered the streets. the morning after the pogroms 30,000 german jewish men were arrested for the "crime" of being jewish and sent to concentration camps, where hundreds of them perished.