Which preposition to use with defenseless

against Occurrences 3%

And Victor was speedily provided with another interest which engrossed him to the exclusion of further efforts to bait a victim defenseless against his insolence.

as Occurrences 2%

"Yes, Brother Rae, as defenseless as that pretty sister of yours was in the woods there, that afternoon at Haun's Mill.

before Occurrences 1%

And Ferragut laughed in his turn at poor Science, ignorant and defenseless before the mysterious immensity of the ocean, and having scarcely achieved the measurement of its great depth.

by Occurrences 1%

It is known that no part of our Union is more exposed to invasion by the numerous avenues leading to it, or more defenseless by the thinness of the neighboring population, or offers a greater temptation to invasion, either as a permanent acquisition or as a prize to the cupidity of grasping invaders from the immense amount of produce deposited there, than the city of New Orleans.

in Occurrences 1%

Without its use we would still be groping in the gloom and misery of early savagery, suffering from the cold of outer space and defenseless in the midst of a harsh and hostile environment.

Which preposition to use with  defenseless