Which preposition to use with lukewarmness

in Occurrences 6%

The inactivity of the Italian sovereigns may be explained by their imputed treachery or lukewarmness in the cause.

of Occurrences 4%

That he designed invasion, aided by the recruits anticipated in Maryland, seems unquestionable; since, even after discovering the lukewarmness of the people there by the fact that few joined his standard, he still advanced to Hagerstown, but a step from the Pennsylvania line.

from Occurrences 1%

He asked her if she could not do something to remove the lukewarmness from the Episcopal Church, and if a real evangelical minister was sent there would she not return to it.

Which preposition to use with  lukewarmness