Not the President alone, not the President and Senate, can set them aside; but for this purpose the whole power of the Government must be invoked, in its most solemn form, by Act of Congress.
Editor's note · Context
Sumner argues that only Congress has the authority to abrogate treaties, highlighting the need for a collective governmental action.
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It is a cause which, though long kept in check throughout our country, as also in Europe, now confronts the people and their rulers, demanding to be heard.
Nor should we be too impatient to witness the fulfilment of our aspirations.
At Baltimore the delegation of the most important State in the Union, known to be in favor of the Wilmot Proviso, was refused admission to the Convention.
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