10/16/1914
https://www.presidency.ucsb.edu...
"Hereafter, persons who by any statute or proclamation may be defined as alien enemies, and who desire to depart by vessel from any port of the United States for any European port, shall not be require..."
"Such persons will be permitted to depart upon presentation of a passport issued, renewed, or visaed by a representative of their respective Governments within six months prior to the proposed date of ..."
"The Government of the United States is impressed with the political instability and grave uncertainties of the present situation in Eastern Siberia."
"The Government of the United States agrees that for it to send a reinforcement of sufficient strength to act on the offensive in cooperation with anti-Bolshevik forces is impracticable."