his friends grappled them to him and won respect even from those who
were not of his political faith.[240]

An incident at the very outset of his career in the Senate, betrayed
some little lack of self-restraint. When Senator Cass introduced the
so-called Ten Regiments bill, Calhoun asked that its consideration
might be postponed, in order to give him opportunity to discuss
resolutions on the prospective annexation of Mexico. Cass was disposed
to yield for courtesy's sake; but Douglas resented the interruption.
He failed to see why public business should be suspended in order to
discuss abstract propositions. He believed that this doctrine of
courtesy was being carried to great lengths.[241] Evidently the young
Senator, fresh from the brisk atmosphere of the House, was restive
under the conventional restraints of the more sedate Senate. He had
not yet become acclimated.

Douglas made his first formal speech in the Senate on February 1,
1848. Despite his disclaimers, he had evidently made careful
preparation, for his desk was strewn with books and he referred
frequently to his authorities. The Ten Regiments bill was known to be
a measure of the administration; and for this reason, if for no other,
it was bitterly opposed. The time seemed opportune for a vindication
of the President's policy. Douglas indignantly repelled the charge
that the war had from the outset been a war of conquest. "It is a war
of self-defense, forced upon us by our enemy, and prosecuted on our
part in vindication of our honor, and the integrity of our territory.
The enemy invaded our territory, and we repelled the invasion, and
demanded satisfaction for all our grievances. In order to compel
Mexico to do us justice, it was necessary to follow her retreating
armies into her territory ... and inasmuch as it was certain that she