Summary

David Davis United States v. Grossmayer — Opinion of the Court

In this case, if Einstein is to be considered as the agent of Grossmayer to buy the cotton, the act appointing him was illegal, because it was done by means of a direct communication through a messenger who was in some manner not stated in the record able to pass, during the war, between Macon and New York. It was not necessary to make the act unlawful that Grossmayor should have communicated personally with Einstein. The business intercourse through a middle man, which resulted in establishing the agency, is equally within the condemnation of the law.
Source: Wikisource

David Davis United States v. Grossmayer — Opinion of the Court

We are not disposed to deny the doctrine that a resident in the territory of one of the belligerents may have, in time of war, an agent residing in the territory of the other, to whom his debtor could pay his debt in money, or deliver to him property in discharge of it, but in such a case the agency must have been created before the war began, for there is no power to appoint an agent for any purpose after hostilities have actually commenced, and to this effect are all the authorities.
Source: Wikisource

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