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The begining of the assembly line
As a result, Ford's cars came off the line in fifteen minute intervals, much faster than previous methods, increasing productivity eight fold (requiring 12.5 man-hours before, 1 hour 33 minutes after), while using less manpower. -
The automobile introduced
Henry Ford introduced the model t to the market giving people a new way of transportation. -
The start of Prohibition
Prohibition started with the ratifying of the 18th Amendment. -
The beging of the Palmer Raids
By October 150000 names were collected in a rapidly expanding index. Palmer Raids are a series of controversial raids. -
Red Scare
Palmer's agents gathered 249 citizens and immigrants of Russian origin -
National Negro Baseball League
This allowed african americans to do more and slowly be acepted into professional baseball. -
The end of the Palmer Raids
Judge George Anderson effectively ended the raids when he ordered the discharge of twenty aliens, and denounced Department of Justice actions. -
The 19th Amendment
The 19th Amendement allowed women to vote -
The radio
Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space. Information is carried by systematically changing some property of the radiated waves, such as amplitude, frequency, or phase. -
The Wall Street Bombing
Days after Sacco and Vanzetti's murder indictment, a horsecart filled with dynamite exploded in the financial heart of New York City. -
KKK attack black community
The KKK attacked a black community because two black men voted. 6 black and 2 whites were killed and including the destruction of many buildings. -
Emergency Quota Act
The Emergency Quota Act was an immigration quota that limited the annual number of immigrants who could be admitted from any country to 3% of the number of persons from that country living in the United States in 1910. -
Race Riots in Oklahoma
60 blacks and 25 whites were killed in a series of senseless attacks and the KKK were labeled as the instigators. -
Radical arm saw
A radial arm saw is a cutting machine consisting of a circular saw mounted on a sliding horizontal arm. -
Bulldozer
A bulldozer is a crawler or a continuous tracked tractor, equipped with a substantial metal plate or blade, used to push large quantities of soil, sand, or rubble during construction work. -
The National Origins Act
The 1924 law established the “consular control system” of immigration by mandating that no alien may be permitted entrance to the United States without an unexpired immigration visa issued by an American consular officer abroad. Thus, the State Department and the Immigration and Naturalization Service shared control of immigration -
The National Origins Act
The number of immigrants of a given nationality each year could not exceed 2 percent of the number of people living in the US in 1890. -
Flappers
Flappers was a group of women who influenced styles and attitudes. -
Phonograph
The phonograph allowed people to listen to the same music they heard on the radio, but whenever they wanted. -
Harlem Globetrotters
The Harlem Globetrotters were created in 1927. The Harlem Globetrotters gave people a look on Harlem. -
Silent movies
A silent film is a film with no synchronized recorded sound, especially spoken dialogue. In entertainment silent films the acting and dialogue is commuted through muted gestures, pantomime and title cards. -
The end of Prohibition
The ratifying of the 21st Amendment repealed the the 18th Amendment ending Prohibition.
