1 adverbs to describe how to covert

In aid of Professor Stuart, in the rude and scarcely covert attack which he makes upon himself, we maintain that Christianity will certainly destroy slavery on account of its inherent wickednessits malignant temperits deadly effectsits constitutional, insolent, and unmitigable opposition to the authority of God and the welfare of man.

1 adverbs to describe how to  covert  - Adverbs for  covert