Answer:
By restricting private maritime trading and coastal settlement.
Explanation:
The trade imbalance between Europe and Ming China happens when the Ming dynasty restrict private maritime trading and coastal settlement. These isolationist Chinese policies leads to the imbalance of trade between Europe and Ming China. The main reason for this restriction of trade by Ming China is to prevent the spreading of European ideas in the empire so for that purpose they restrict the trade with Europe and isolationist policies in the empire.
