Nothing. By the very definition of the word import that would be impossible.
Britain imports: fruit timber gas
Mars
they import tea the most
Britain
Some might say opium.
boycott
Paperclips
boycott
nonimportation agreement
I believe they imported weapons and food products
nonimportation agreement
Britain's are to import more arm's equipments for those that will been chosen for the Ware's sure as to win the battle.