Once again, this is very important and is almost always asked on the written exam. Remember: 1  With the service brake depressed, the air loss rate should be less than 3 psi in 1 minute for single vehicles.  With the service brake depressed, the air loss rate should be less than 4 psi in 1 minute for combination vehicles.
Curfews are also challenged on constitutional grounds. The first youth curfew was adopted by Omaha, Nebraska in 1880. Chicago, the nationâs largest city with a curfew, passed its law in 1955. By 1960, 60 of the 110 US cities with a population over 100,000 had curfews. Thirty years later, 200 US cities had a population over 100,000, and 150 of these cities had curfews.
Prohibition was mandated under the Eighteenth Amendment to the United States Constitution. Enabling legislation, known as the Volstead Act, set down the rules for enforcing the ban and defined the types of alcoholic beverages that were prohibited.This act, which had been intended to save grain for the war effort, was passed after the armistice ending World War I was signed on November 11, 1918.) The Wartime Prohibition Act took effect June 30, 1919, with July 1, 1919, becoming known as the Thirsty-First.