But in its immediate origin nullification arose from the outcry against the protective tariff, and it is almost as unfair to ascribe it in any way to the influence of slavery as it would be to assign a similar cause for the Virginia and Kentucky resolutions of 1798, or to say that the absence of slavery was the reason for the abortively disloyal agitation in New England, which culminated in the Hartford Convention.
"Thomas Hart Benton"
Theodore Roosevelt
Will it be believed that the whole diplomatic machinery was set on foot to induce the Swiss Government to prosecute the unfortunate entertainer, abortively of course, since it could not have been legally done?
"German Culture Past and Present"
Ernest Belfort Bax
Three phenomena chiefly marked his reign, but his own part in the three was rather a passive than an active one-mutiny, assassination, and negotiation-the two last attempted on a considerable scale but ending abortively.
"History of the United Netherlands, 1594"
John Lothrop Motley