They could use the fief in exchange for military service. Hope this Helps!
The Commonwealth of Virginia turned into an unmistakable piece of the Confederate States of America when it joined the Confederacy amid the American Civil War. As a Southern slave-holding state, Virginia held a state tradition to manage the withdrawal emergency, and voted against severance on the day of April 4, 1861.
Its actually VERY likely. I may be wrong, but My research doesn't say so :D<span />
<span>The Japanese attack on pearl harbor had caused the US to end isolation and enter world war two which pearl harbor was the US Hawaii naval fleet base without provocation from the US.
Hope that help (:</span>
Their buildings were adopted by the U.S.