Which preposition to use with subjugate

to Occurrences 5%

Though tricked into this man's power, you are not meanly subjugated to it.

in Occurrences 2%

In the Memoirs of General Belgrano we read: "It grieved me to see my country subjugated in this manner, but I shall always admire the gallantry of the brave and honorable Beresford in so daring an enterprise."

after Occurrences 1%

The most of them they subjugated after undergoing many terrible experiences themselves, such as Caesar's being wounded, barley being given to some of the soldiers instead of wheat, and others, who had deserted the standards, being decimated: with the remaining tribes Statilius Taurus carried on war.

Which preposition to use with  subjugate