Selective Service in the United States
The Selective Service System is also known as the Draft. The draft is when the military picks random men over 18 to go to the army and fight in the war.
In the draft towns and cities would post a public board to classify registrants to determine whether they were exempt from military service. Their are many types of categories that would be posted on the public boards. For example: A class would be 1-A and the category would be available for unrestricted military service.
The draft was put together on May 18, 1917 by the Selective Service Act of 1917. The draft gave the president and the people in the government the right to draft men over 18 to military service. After they made the act they decided it would make the people of the day want to join the army to support the army, however, it didn't inspire people to join so they had to re due the act on September 16, 1940. The United States abandon the draft in 1973 by the president Richard Nixon.
Today the question remains, should the government re-introduce the draft? We have a law that all U.S men that turn 18 have to register with the Selective Service within 30 days of their birthday. Other men that are not native U.S citizens register between the ages 18 to 26. For now, the draft is on hold. However who knows, maybe in a couple of years the draft will be re introduced.