On the contrary, so far from implying that the end in view is to be attained at all hazards, it is believed that it merely vests a discretionary power in the President to carry out the views of Congress on his own responsibility should contingencies arise to render expedient the proposed expenditure.

Similar motives have rendered expedient the keeping of a like force on the coasts of Peru and Chile on the Pacific.

In defence of the measure Lord Granville refused to admit the distinction between what was legal and what was constitutional; if a measure were both legal, that is, warranted by the letter of the law, and also expedient, these two concurrent qualities, he contended, made it constitutional.