01/03/1919
https://www.presidency.ucsb.edu...
"I have found that there exist in Mexico such conditions of domestic violence promoted by the use of arms or munitions of war procured from the United States as contemplated by the said Joint Resolutio..."
"The overwhelming testimony of its value which has come to me convinces me that I should not be justified in acquiescing in its repeal."
"I do hereby enjoin upon all officers of the United States, charged with the execution of the laws thereof, the utmost diligence in preventing violations of the said Joint Resolution and Act of Congres..."
"I do hereby admonish all citizens of the United States and every person to abstain from every violation of the provisions of the Joint Resolution and Act of Congress above set forth."