Which preposition to use with effectual

in Occurrences 32%

The constant care which was bestowed on Henrich at length proved effectual in healing his wound, and partially restoring his strength; and his parents had, eventually, the happiness of seeing that the a anger was past, and their son was restored to them.

for Occurrences 20%

The Brinvilliers do not belong to this age; people now use calumny, which is much more effectual for killing people; and it is by calumny that they will work my destruction.

as Occurrences 19%

"Nothing," says Quintus Curtius, "is so effectual as superstition for keeping the vulgar under.

than Occurrences 13%

Gerarde speaks of the carrot as "serving for love matters," and adds that the root of the wild species is more effectual than that of the garden.

to Occurrences 11%

The United States maintained sanitary regulations on shipboard which were effectual to a certain extent.

of Occurrences 5%

It is the most effectual of inventions to fertilize the rich man's field by the sweat of the poor man's brow."

against Occurrences 3%

He congratulated the committee on their institution, which he thought would tend to promote so desirable an end; but desired them not to stop short of the total abolition of the Slave Trade, as no other measure would prove effectual against the evils of which he complained.

through Occurrences 1%

His ceaseless vigilance, made effectual through his elaborate spy system, enabled him to keep the Bedouin hordes in check, though he was by no means uniformly successful in his attacks upon them.

under Occurrences 1%

Assisted, he was, no doubt, from time to time; but that assistance was procured through his influence, or rendered effectual under his inspection and advice.[A]

Which preposition to use with  effectual