The Congress has the power to put the draft back into place. In the UK it is the Parliament who can do that (And the Queen I am certain).
draft
Men between the ages of 18 and 35 were drafted. Women were not drafted but 350,000 women did join the forces.
Twenty-one to Thirty-six
0.5 million men signed up to join the armed forces in 1914.
Should young men and women be required to serve in the armed forces? Why, Yes.
The United States has an all volunteer military. Although the United States requires all men to register with the draft when they turn 18 the draft is not currently being used to populate the armed forces. The answer to your question is: They volunteered.
A draft
it an opportunity for a nation to show support for the men and women who make up the armed forces
No, the U.S. does not have the Selective Service System used to draft men into the armed forces. You do however have the register when you turn 18. The U.S. military is all volunteer.
They weakened the forces by reducing their soldiers to a 1000000 men
selective service
The Government can pass a law that enforces men (and in some cases, women) to be conscripted into the armed forces. This is only done in time of need, when the country has to be put on a war footing.