Living history, this official US Army film bulletin outlines the advantages of American automatic weapons compared to Germany's. Side by side live fire comparison of rate of fire vs accuracy and ammunition consumption. https://youtu.be/Oyj-ZHXFKQI Everything in life and war is a trade-off.
This great video from T-Rex Arms explains where the National Firearms Act came from and why it does what it does. https://youtu.be/1VWcGwPJQfc What firearm suppressors are, what they aren't, why they are restricted in the US, and why they shouldn't be. Table of