Which statement best explains a benefit of th epolicy of isolation enforced by the ming and qing dynasties

the qing dynasty placed strict limits on foreign merchants' ability to trade in china.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: