Which preposition to use with slackness

of Occurrences 15%

Presently, he wriggles a little in the water, as though vexed at the slackness of offers; then he drops one of the hands and leaves the other outstretched.

in Occurrences 10%

It was notable, she was afterward to recognize, that there had been nothing of the famous business slackness in the positive pounce with which Mr. Pitman put it to her that, as soon as he had made her out "for sure," identified her there as old Julia grown-up and gallivanting with a new admirer, a smarter young fellow than ever yet, he had had the inspiration of her being exactly the good girl to help him.

among Occurrences 1%

There seemed also to have been slackness among the men; and some were lamenting, that the First Rifles were not what they used to be;anciently they only wanted to see the greasers; to-day they were found taking to the bushes.

at Occurrences 1%

MANCHESTER, EDWARD MONTAGU, EARL OF, English statesman and general, eldest son of the first earl; sided with the Parliament in the Civil War, and commanded in the army, but was censured by Cromwell for his slackness at Newbury, which he afterwards resented by opposing the policy of the Protector; he contributed to the restoration of Charles II., and was in consequence made Lord Chamberlain (1602-1671).

behind Occurrences 1%

AND LOINBody moderately long; back should be strong and straight, with no appearance of slackness behind the shoulders; the loin broad and powerful, and slightly arched; ribs fairly sprung, rather deep than round, and well ribbed back.

on Occurrences 1%

In this context we may note the report that the Eskimos had not until quite recently heard of war, which seems to argue slackness on the part of the circulation manager of the Daily Mail.

Which preposition to use with  slackness