Harry Truman actually said...
The Secretary of State is authorized and empowered as he deems necessary in the national interest to direct, manage, supervise or control diplomatic and consular property within the United States owned or controlled by Germany or Japan, including all assets on the premises of such property.
Context
Executive Order 9760—Conferring Certain Authority Upon the Secretary of State With Regard to Diplomatic and Consular...
07/22/1946