How would you describe the development of chicago city in the 1900s?

"Chicago was incorporated as a town in 1833 and as a city in 1837, when its population reached 4,000. In 1848 Chicago got its first telegraph and railroad. Two innovations—grain elevators and the Board of Trade's wheat grading standards—quickly transformed the way crops were sold."

Explanation:

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.