3 adverbs to describe how to ensuring

This position fortified one side of his camp by the banks of the river, rendered the country which lay in his rear secure from the enemy, and furthermore ensured that provisions might without danger be brought to him by the Remi and the rest of the states.

And he insisted, that the king's word, after so many submissions and fruitless promises on his part, could no longer be relied on; and that nothing but his absolute inability to violate national privileges could henceforth ensure the regular observance of them.

This improved sugar readily ensures a preference for all purposes of manufacture, solution, or domestic economy.

3 adverbs to describe how to  ensuring  - Adverbs for  ensuring