On September 1, 1939 Hitler/Germany invade poland with a surprise attack using planes, tanks and troops and using a military tactic designed to create disorganization among enemy forces through the use of mobile forces and locally concentrated firepower. Known as blitzkrieg
D is correct, though it passed in congress it lacked the 38 state approvals it required to be ratified, it wasn't made an official law but several states made similar laws applying to their own state
