Which preposition to use with unencumbered

with Occurrences 17%

General Meade made the passage of the Rapidan without difficulty; and, as his expedition was unencumbered with wagons, advanced rapidly.

by Occurrences 8%

Upon looking around next morning, we found that Penrose, having been unencumbered by wagons, had kept on the west side of the Cimarron, and the country was so rough that it was impossible for us to stay on his trail with our wagons; but knowing that he would certainly follow down the river, General Carr concluded to take the best wagon route along the stream, which I discovered to be on the east side.

into Occurrences 1%

The vocalic elements of the language have certain peculiarities which prevent its poetry from entering unencumbered into the domain of classical prosody.

Which preposition to use with  unencumbered