I believe it was the Stock Market Crash of 1929
"<span>Guns are a legitimate way for the average citizen to protect his or her home and family" would not be in line with the militia interpretation of the this amendment, since this holds that it only applies to groups of people. </span>
B) The 1920s mark the emergence of mass production and mass consumption
The answer is that it established the power of the federal government. It allowed state government to overule the federal government also established the power of state government. And decided the the federal government cannot tax states.