After France surrendered to Germany in June 1940 two members of congress introduced the "Selective Service and Training Act," since it became clear to many that the US would likely have to join the war.
Domestic Tranquility means that there is peace, and no fighting/issues going on where you are living. It can have two different meanings though. It could also mean peace between the different states of a country. :) Hope I helped! For further details, I'd look into Google.
<span>Chief Powhatan
ignore,
answer too short</span>
you know at the top it says 24 points right? YOU LIED