02/20/1941
https://www.presidency.ucsb.edu...
"I do hereby enjoin upon all officers of the United States...the utmost diligence in preventing violations of the said Joint Resolution."
"Notwithstanding the hope we entertained that war would be avoided, we are now compelled to recognize the simple and indisputable fact that Ethiopian and Italian armed forces are engaged in combat."
"I desire it to be understood that any of our people who voluntarily engage in transactions of any character with either of the belligerents do so at their own risk."
"It has become my duty to issue, and I am today issuing, my Proclamation making effective an embargo on the exportation from this country to Ethiopia and Italy of arms, ammunition and implements of war..."